What are the functions and testing methods of different types of relays used in electrical accessories on Honda Accord?

Most of the electrical accessories including fuel injection system, horns, starter and fog lamps employ relays to control current to components where a small control circuit current controls a heavy current power circuit. Faulty component in the relay will result in the components which are being powered by the high current circuit not working. Fuses/Relays are located near the engine compartment fuse/relay box and the under-dash fuse and relay box; the engine compartment fuse/relay box is on the left side of the car behind the air filter housing. To identify a particular fuse or relay, first access it by lifting a lid and then you'll find a guide printed at the base. The under dash fuse and relay box is the kick panel on the left, you will need to remove the panel to find the relays. There are two basic types of relays: These circuits, often referred to as 'normally open' and 'five-terminal', are frequently utilized when end-users wish to control a lighting circuit using a PIR detector. Many normal-open relays exist for functions such as the accessory power socket, as well as parts of air conditioning, and they have four external spade connectors placed in a specific direction. A normally-open relay is tested by checking for continuity between terminal No. 1 and terminal No. 2 with the power supply disconnected; conversely, continuity should be obtained when terminal No. 3 is connected to the power and terminal No. 4 is grounded. Some of the relays which include the five-terminal type B relays used in functions such as daytime running and moonroof control are characterized by five terminals. Testing involves probing for continuity between terminal no 1 and 4 when power is switched off, and between terminal no 1 and 2 when power and ground are connected to terminals no 3 and 5 respectively.

Genuine Honda Accord Relay

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71 Relays found

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Honda Accord Relay Assembly, Power (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$21.08 MSRP: $30.03
You Save: $8.95 (30%)
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Product Specifications
- Other Name: Horn Relay; Relay
- Replaces: 39794-SDA-A01, 39794-SDA-A04
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2003-2017 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door EX V6, 2 Door EX-L, 2 Door EX-L V6, 2 Door EX-SUL, 2 Door EX-V6, 2 Door LX, 2 Door LX (V6), 2 Door LX V6, 2 Door LX-S, 2 Door LX-SUL, 2 Door SE, 2 Door SE (V6), 2 Door Touring (V6), 2 Door TRN-V6, 4 Door DX, 4 Door EX, 4 Door EX (PZEV), 4 Door EX (V6), 4 Door EX-L, 4 Door EX-L (PZEV), 4 Door EX-L V6, 4 Door EX-V6, 4 Door EX-V6 (PZEV), 4 Door Hybrid, 4 Door LX, 4 Door LX (PZEV), 4 Door LX (V6), 4 Door SE, 4 Door SE (PZEV), 4 Door SE (V6), 4 Door Sport, 4 Door Touring (V6), 4 Door VP | KA 5AT, KA 5MT, KA 6AT, KA 6MT, KA CVT, KL 5AT, KL 5MT, KL 6AT, KL 6MT, KL CVT
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Honda Accord Relay Assembly, Engine Control Module (Denso)
Part Number: 39794-SDA-902
$50.08 MSRP: $71.34
You Save: $21.26 (30%)
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Product Specifications
- Other Name: Ecm Relay; Relay
- Replaces: 39794-SDA-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2022 Honda Accord | Hybrid, Hybrid EX-L, Hybrid Sport, Hybrid Touring
- 2003-2017 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door EX V6, 2 Door EX-L, 2 Door EX-L V6, 2 Door EX-SUL, 2 Door EX-V6, 2 Door LX, 2 Door LX (V6), 2 Door LX V6, 2 Door LX-S, 2 Door LX-SUL, 2 Door SE, 2 Door SE (V6), 2 Door TRN-V6, 2 Door Touring (V6), 4 Door DX, 4 Door EX, 4 Door EX (PZEV), 4 Door EX (V6), 4 Door EX-L, 4 Door EX-L (PZEV), 4 Door EX-L V6, 4 Door EX-V6, 4 Door EX-V6 (PZEV), 4 Door Hybrid, 4 Door LX, 4 Door LX (PZEV), 4 Door LX (V6), 4 Door SE, 4 Door SE (PZEV), 4 Door SE (V6), 4 Door Sport, 4 Door Touring (V6), 4 Door VP | KA 5AT, KA 5MT, KA 6AT, KA 6MT, KA CVT, KL 5AT, KL 5MT, KL 6AT, KL 6MT, KL CVT
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Honda Accord Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-SDA-A02
$23.55 MSRP: $33.54
You Save: $9.99 (30%)
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2013-2014 Honda Accord | 4 Door EX, 4 Door Hybrid, 4 Door LX | KA CVT
- 2011 Honda Accord | 4 Door LX | KA 5AT
- 2003-2009 Honda Accord | 4 Door DX, 4 Door EX, 4 Door EX (PZEV), 4 Door EX-L, 4 Door EX-L (PZEV), 4 Door LX, 4 Door LX (PZEV), 4 Door SE, 4 Door VP | KA 5AT, KA 5MT, KL 5AT
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Honda Accord Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-T5A-J01
$29.23 MSRP: $41.63
You Save: $12.40 (30%)
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2018-2022 Honda Accord | 4 Door (2.0 Sport), 4 Door (2.0 Touring), 4 Door EX, 4 Door EX-L, 4 Door EX-L (2.0), 4 Door LX, 4 Door Sport, 4 Door Touring, EX-L, LX, Sport, Sport SE, Touring | KA 6MT, KA CVT, KA XAT
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Honda Accord Relay Assembly, Main (Rz-0088) (Mitsuba)
Part Number: 39400-SM4-003
$104.14 MSRP: $150.93
You Save: $46.79 (31%)
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Product Specifications
- Other Name: Main Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1990-1993 Honda Accord | 2 Door DX, 2 Door EX, 2 Door LX, 2 Door SE, 4 Door DX, 4 Door EX, 4 Door LX, 4 Door SE, 5 Door EX, 5 Door LX | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly, Turn Signal And Hazard (Mitsuba)
Part Number: 38300-S9A-003
$63.94 MSRP: $90.32
You Save: $26.38 (30%)
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Product Specifications
- Other Name: Turn Signal Flasher
- Replaces: 38300-S9V-A11, 38300-SB2-671, 38300-SE3-003, 38300-SE3-013, 38300-S5A-003, 38300-SV1-A11, 38300-SV1-A00, 38300-S9V-A01, 38300-S47-013, 38300-SE3-004, 38300-S5T-003, 38300-SA5-013, 38300-SA5-672, 38300-SV1-A01, 38300-SA5-003, 38300-SA5-004, 38300-SB2-672, 38300-S5T-004, 38300-SA5-671
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1982-2002 Honda Accord | 2 Door DX, 2 Door EX, 2 Door EX (V6), 2 Door LX, 2 Door LX (V6), 2 Door LXI, 2 Door SE, 2 Door SEI, 2 Door Special, 3 Door DX, 3 Door LX, 3 Door LXI, 3 Door S, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door EX (V6), 4 Door EX-L, 4 Door EX-SUL, 4 Door EX-UL, 4 Door EX-V6, 4 Door LX, 4 Door LX (V6), 4 Door LX V6, 4 Door LXI, 4 Door SE, 4 Door SE-UL, 4 Door SEI, 4 Door STD, 4 Door Special, 4 Door VP, 5 Door EX, 5 Door LX | KA 4AT, KA 5MT, KA HMT, KH 4AT, KH 5MT, KH HMT, KL 4AT, KL 5MT, KL HMT
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Honda Accord Relay Assembly, Power (4P) (Rc-2226) (Brown) (Mitsuba)
Part Number: 39794-SL0-J01
$68.29 MSRP: $96.45
You Save: $28.16 (30%)
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Product Specifications
- Other Name: Relay; Power Relay, Relay Assembly
- Replaces: 39794-SE0-004, 39794-SL0-004, 39794-SE0-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1986-1997 Honda Accord | 2 Door DX, 2 Door EX, 2 Door LX, 2 Door LXI, 2 Door SE, 2 Door SEI, 2 Door Special, 3 Door DX, 3 Door LXI, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door EX (V6), 4 Door LX, 4 Door LX (V6), 4 Door LXI, 4 Door SE, 4 Door SEI, 4 Door Special, 5 Door EX, 5 Door LX | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly, Turn Signal And Hazard (Trico)
Part Number: 38300-S9V-A01
$62.32 MSRP: $90.32
You Save: $28.00 (31%)
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Product Specifications
- Other Name: Turn Signal & Hazard Flasher
- Replaced by: 38300-S9A-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1996-2002 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door LX, 2 Door LX (V6), 2 Door SE, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door EX (V6), 4 Door EX-L, 4 Door EX-UL, 4 Door EX-V6, 4 Door LX, 4 Door LX (V6), 4 Door LX V6, 4 Door SE, 4 Door SE-UL, 4 Door Special, 4 Door VP | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly, Power (4P) (056700-7250) (Denso)
Part Number: 39794-SE0-003
$66.55 MSRP: $96.45
You Save: $29.90 (31%)
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Product Specifications
- Replaced by: 39794-SL0-J01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1997 Honda Accord | 4 Door LX | KA 4AT
- 1986-1995 Honda Accord | 2 Door DX, 2 Door EX, 2 Door LX, 2 Door SE, 3 Door DX, 3 Door LXI, 4 Door DX, 4 Door EX, 4 Door LX, 4 Door LXI, 4 Door SE, 4 Door SEI, 5 Door EX, 5 Door LX | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly, Turn Signal And Hazard (Front-3309) (Mitsuba)
Part Number: 38300-SE3-013
$62.32 MSRP: $90.32
You Save: $28.00 (31%)
ADD TO CART
Product Specifications
- Position: Front
- Replaced by: 38300-S9A-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1999-2002 Honda Accord | 4 Door DX, 4 Door EX, 4 Door EX-L, 4 Door EX-SUL, 4 Door EX-UL, 4 Door LX, 4 Door SE, 4 Door SE-UL | KA 4AT, KA 5MT, KL 4AT, KL 5MT
- 1984-1997 Honda Accord | 2 Door DX, 2 Door EX, 2 Door LX, 2 Door SE, 2 Door Special, 3 Door DX, 3 Door LX, 3 Door LXI, 3 Door S, 4 Door DX, 4 Door EX, 4 Door EX (V6), 4 Door LX, 4 Door LX (V6), 4 Door LXI, 4 Door SE, 4 Door SEI, 4 Door STD, 5 Door EX, 5 Door LX | KA 4AT, KA 5MT, KH 4AT, KH 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly, Power (4P) (Rc-2225) (Black) (Mitsuba)
Part Number: 39794-SL0-004
$68.29 MSRP: $96.45
You Save: $28.16 (30%)
ADD TO CART
Product Specifications
- Replaced by: 39794-SL0-J01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1994-1997 Honda Accord | 2 Door DX, 2 Door EX, 2 Door LX, 2 Door Special, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door EX (V6), 4 Door LX, 4 Door LX (V6), 4 Door Special, 5 Door EX, 5 Door LX | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly, Power (4P) (Rc-2223) (Mitsuba)
Part Number: 39797-SM4-003
$58.13 MSRP: $82.10
You Save: $23.97 (30%)
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Product Specifications
- Other Name: Blower Motor Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1990-1993 Honda Accord | 2 Door DX, 2 Door EX, 2 Door LX, 2 Door SE, 4 Door DX, 4 Door EX, 4 Door LX, 4 Door SE, 5 Door EX, 5 Door LX | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39794-SDA-A03
$21.26 MSRP: $30.03
You Save: $8.77 (30%)
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Product Specifications
- Other Name: Blower Motor Relay; Fuel Pump Relay, Horn Relay, Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2003-2024 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door EX V6, 2 Door EX-L, 2 Door EX-L V6, 2 Door EX-SUL, 2 Door EX-V6, 2 Door LX, 2 Door LX (V6), 2 Door LX V6, 2 Door LX-S, 2 Door LX-SUL, 2 Door SE, 2 Door SE (V6), 2 Door TRN-V6, 2 Door Touring (V6), 4 Door (2.0 Sport), 4 Door (2.0 Touring), 4 Door DX, 4 Door EX, 4 Door EX (PZEV), 4 Door EX (V6), 4 Door EX-L, 4 Door EX-L (2.0), 4 Door EX-L (PZEV), 4 Door EX-L V6, 4 Door EX-V6, 4 Door EX-V6 (PZEV), 4 Door LX, 4 Door LX (PZEV), 4 Door LX (V6), 4 Door SE, 4 Door SE (PZEV), 4 Door SE (V6), 4 Door Sport, 4 Door Touring, 4 Door Touring (V6), 4 Door VP, EX, EX-L, Hybrid, Hybrid EX-L, Hybrid Sport, Hybrid Sport-L, Hybrid Touring, LX, Sport, Sport SE, Touring | KA 5AT, KA 5MT, KA 6AT, KA 6MT, KA CVT, KA XAT, KL 5AT, KL 5MT, KL 6AT, KL 6MT, KL CVT
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Honda Accord Relay Assembly, Fuel Pump (Denso)
Part Number: 39794-SDA-004
$46.93 MSRP: $66.28
You Save: $19.35 (30%)
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Product Specifications
- Other Name: Fuel Pump Relay; Relay
- Replaces: 39794-SDA-003, 39794-SDA-305
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2003-2024 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door EX V6, 2 Door EX-L, 2 Door EX-L V6, 2 Door EX-SUL, 2 Door EX-V6, 2 Door LX, 2 Door LX (V6), 2 Door LX V6, 2 Door LX-S, 2 Door LX-SUL, 2 Door SE, 2 Door SE (V6), 2 Door TRN-V6, 2 Door Touring (V6), 4 Door (2.0 Sport), 4 Door (2.0 Touring), 4 Door DX, 4 Door EX, 4 Door EX (PZEV), 4 Door EX (V6), 4 Door EX-L, 4 Door EX-L (2.0), 4 Door EX-L (PZEV), 4 Door EX-L V6, 4 Door EX-V6, 4 Door EX-V6 (PZEV), 4 Door Hybrid, 4 Door LX, 4 Door LX (PZEV), 4 Door LX (V6), 4 Door SE, 4 Door SE (PZEV), 4 Door SE (V6), 4 Door Sport, 4 Door Touring, 4 Door Touring (V6), 4 Door VP, EX-L, Hybrid, Hybrid EX-L, Hybrid Sport, Hybrid Sport-L, Hybrid Touring, LX, Sport, Sport SE, Touring | KA 5AT, KA 5MT, KA 6AT, KA 6MT, KA CVT, KA XAT, KL 5AT, KL 5MT, KL 6AT, KL 6MT, KL CVT
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Honda Accord Relay Assembly, Power (5P) (Micro Iso) (Mitsuba)
Part Number: 39794-S10-003
$36.76 MSRP: $51.92
You Save: $15.16 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2013-2022 Honda Accord | 2 Door EX, 2 Door EX-L, 2 Door EX-L V6, 2 Door LX-S, 2 Door TRN-V6, 2 Door Touring (V6), 4 Door (2.0 Sport), 4 Door (2.0 Touring), 4 Door EX, 4 Door EX-L, 4 Door EX-L (2.0), 4 Door EX-L V6, 4 Door Hybrid, 4 Door LX, 4 Door Sport, 4 Door Touring, 4 Door Touring (V6), EX-L, LX, Sport, Sport SE, Touring | KA 6AT, KA 6MT, KA CVT, KA XAT, KL 6AT, KL CVT
- 1998-2007 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door EX V6, 2 Door EX-V6, 2 Door LX (V6), 2 Door LX V6, 2 Door SE, 2 Door SE (V6), 4 Door EX, 4 Door EX (V6), 4 Door EX-L, 4 Door EX-SUL, 4 Door EX-UL, 4 Door EX-V6, 4 Door LX (V6), 4 Door SE, 4 Door SE (V6) | KA 4AT, KA 5AT, KA 5MT, KA 6MT, KL 4AT, KL 5AT, KL 5MT, KL 6MT
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Honda Accord Relay Assembly, Main
Part Number: 39400-S84-003
$81.31 MSRP: $114.85
You Save: $33.54 (30%)
ADD TO CART
Product Specifications
- Other Name: Main Relay; ECM Relay
- Replaces: 39400-S84-A01, 39400-S82-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2002 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door LX, 2 Door LX (V6), 2 Door SE, 4 Door DX, 4 Door EX, 4 Door EX (V6), 4 Door EX-L, 4 Door EX-SUL, 4 Door EX-UL, 4 Door EX-V6, 4 Door LX, 4 Door LX (V6), 4 Door LX V6, 4 Door SE, 4 Door SE-UL, 4 Door VP | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$8.19 MSRP: $11.57
You Save: $3.38 (30%)
ADD TO CART
Product Specifications
- Other Name: Blower Motor Relay; Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2003-2022 Honda Accord | 2 Door EX, 2 Door EX (V6), 2 Door EX V6, 2 Door EX-L, 2 Door EX-L V6, 2 Door EX-SUL, 2 Door EX-V6, 2 Door LX, 2 Door LX (V6), 2 Door LX V6, 2 Door LX-S, 2 Door LX-SUL, 2 Door SE, 2 Door SE (V6), 2 Door TRN-V6, 2 Door Touring (V6), 4 Door (2.0 Sport), 4 Door (2.0 Touring), 4 Door DX, 4 Door EX, 4 Door EX (PZEV), 4 Door EX (V6), 4 Door EX-L, 4 Door EX-L (2.0), 4 Door EX-L (PZEV), 4 Door EX-L V6, 4 Door EX-V6, 4 Door EX-V6 (PZEV), 4 Door Hybrid, 4 Door LX, 4 Door LX (PZEV), 4 Door LX (V6), 4 Door SE, 4 Door SE (PZEV), 4 Door SE (V6), 4 Door Sport, 4 Door Touring, 4 Door Touring (V6), 4 Door VP, EX-L, LX, Sport, Sport SE, Touring | KA 5AT, KA 5MT, KA 6AT, KA 6MT, KA CVT, KA XAT, KL 5AT, KL 5MT, KL 6AT, KL 6MT, KL CVT
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Honda Accord Relay, Power (G2Ms-1124T-100R-H5) (Omron)
Part Number: 38320-SA5-003
$7.19 MSRP: $10.42
You Save: $3.23 (31%)
ADD TO CART
Product Specifications
- Replaces: 38325-SA5-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1982-1985 Honda Accord | 3 Door DX, 3 Door LX, 3 Door S, 4 Door DX, 4 Door LX, 4 Door SE, 4 Door SEI, 4 Door STD | KA 4AT, KA 5MT, KA HMT, KH 4AT, KH 5MT, KH HMT, KL 4AT, KL 5MT, KL HMT
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Honda Accord Relay Assembly, Main (Rz-0033) (Mitsuba)
Part Number: 39400-SD7-931
$38.48 MSRP: $72.90
You Save: $34.42 (48%)
ADD TO CART
Product Specifications
- Replaced by: 39400-SA7-931
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1985 Honda Accord | 4 Door SEI | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Accord Relay, Turn Signal (Front-2104) (Mitsuba)
Part Number: 38300-671-672
$40.31 MSRP: $57.29
You Save: $16.98 (30%)
ADD TO CART
Product Specifications
- Position: Front
- Replaced by: 38300-671-505
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1976-1981 Honda Accord | 3 Door DX, 3 Door LX, 3 Door STD, 4 Door DX, 4 Door SE | KA 5MT, KA HMT, KH 5MT, KH HMT, KL 5MT, KL HMT

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Honda Accord Relay Parts Questions & Experts Answers

Relay Assembly, Power (Micro Iso) (Denso)
39794-SDA-A02
Q: What are the functions and testing methods of different types of relays used in electrical accessories on Honda Accord?
A: Most of the electrical accessories including fuel injection system, Horns, starter and fog lamps employ relays to control current to components where a small control circuit current controls a heavy current power circuit. Faulty component in the relay will result in the components which are being powered by the high current circuit not working. Fuses/Relays are located near the engine compartment fuse/relay box and the under-dash fuse and relay box; the engine compartment fuse/relay box is on the left side of the car behind the air filter housing. To identify a particular fuse or relay, first access it by lifting a lid and then you'll find a guide printed at the base. The under dash fuse and relay box is the kick panel on the left, you will need to remove the panel to find the relays. There are two basic types of relays: These circuits, often referred to as 'normally open' and 'five-terminal', are frequently utilized when end-users wish to control a lighting circuit using a PIR detector. Many normal-open relays exist for functions such as the accessory power socket, as well as parts of air conditioning, and they have four external spade connectors placed in a specific direction. A normally-open relay is tested by checking for continuity between terminal No. 1 and terminal No. 2 with the power supply disconnected; conversely, continuity should be obtained when terminal No. 3 is connected to the power and terminal No. 4 is grounded. Some of the relays which include the five-terminal type B relays used in functions such as daytime running and moonroof control are characterized by five terminals. Testing involves probing for continuity between terminal no 1 and 4 when power is switched off, and between terminal no 1 and 2 when power and ground are connected to terminals no 3 and 5 respectively.