How do relays function in electrical system and how can a faulty relay be tested on Acura Integra?

Several electrical accessories in the vehicle, such as the fuel injection system, horns, starter, and cooling fans, utilize relays to transmit electrical signals to the components. Relays operate using a low-current control circuit to manage a high-current power circuit. A defective relay will prevent the associated component from functioning correctly. These relays are located in the engine compartment fuse box and various other spots throughout the vehicle. If a faulty relay is suspected, it can be removed and tested. For testing, it's advisable to consult the wiring diagram to identify the correct connections for the relay. Typically, two terminals correspond to the control circuit, connecting to the relay coil, while the remaining terminals are linked to the power circuit. Most relays are labeled to assist in identifying these terminals. To test, connect an ohmmeter to the power circuit terminals, then use a fused jumper wire to connect one control circuit terminal to the positive battery terminal and another jumper wire from the other control circuit terminal to ground. The relay should click, and continuity will be shown on the meter. If the relay does not click, reversing the jumper wires may be necessary due to polarity sensitivity. If the relay does not pass the test, it should be replaced.

Genuine Acura Integra Relay

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33 Relays found

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Acura Integra Power Relay Assembly (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$22.56 MSRP: $32.22
You Save: $9.66 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Power (Micro Iso) (Mitsuba) ; Horn Relay; Horn Relay, Relay
- Replaces: 39794-SDA-A04, 39794-SDA-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2023-2024 Acura Integra
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Acura Integra Power Relay Assembly (Micro Iso) (Omron)
Part Number: 39794-SDA-A03
$23.10 MSRP: $32.22
You Save: $9.12 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Power (Micro Iso) (Omron); Power Relay, Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2023-2024 Acura Integra
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Acura Integra Fuel Pump Relay Assembly (Denso)
Part Number: 39794-SDA-004
$47.53 MSRP: $66.28
You Save: $18.75 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Fuel Pump (Denso); Fuel Pump Relay, Relay
- Replaces: 39794-SDA-003, 39794-SDA-305
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2023 Acura Integra
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Acura Integra Main Relay Assembly
Part Number: 39400-S10-003
$104.10 MSRP: $146.05
You Save: $41.95 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay Assembly, Main (Mitsuba); Main Relay
- Replaces: 39400-SR3-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1994-2001 Acura Integra
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Acura Integra Power Relay Assembly (Brown)
Part Number: 39794-SL0-J01
$73.72 MSRP: $103.42
You Save: $29.70 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Power (4P) (Rc-2226) (Brown) (Mitsuba); Power Relay, Relay, Relay Assembly
- Replaces: 39794-SL0-004, 39794-SE0-004, 39794-SE0-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1990-2001 Acura Integra
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Acura Integra Relay Assembly, Power (4P) (Rc-2225) Black (Mitsuba)
Part Number: 39794-SL0-004
$73.72 MSRP: $103.42
You Save: $29.70 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Power (4P) (Rc-2225) (Black) (Mitsuba)
- Replaced by: 39794-SL0-J01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1994-2001 Acura Integra
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Acura Integra Turn Signal And Hazard Relay Assembly (Fr-3309)
Part Number: 38300-SE3-013
$69.44 MSRP: $96.85
You Save: $27.41 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Turn Signal And Hazard (Front -3309) (Mitsuba)
- Replaced by: 38300-S9A-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1994-2001, 1986-1989 Acura Integra
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Acura Integra Turn Signal And Hazard Relay Assembly
Part Number: 38300-S9A-003
$69.44 MSRP: $96.85
You Save: $27.41 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Turn Signal And Hazard (Mitsuba) ; Turn Signal & Hazard Flasher
- Replaces: 38300-SE3-004, 38300-SE3-003, 38300-SV1-A00, 38300-SV1-A01, 38300-SV1-A11, 38300-S47-013, 38300-S9V-A11, 38300-SA5-672, 38300-SA5-671, 38300-S5A-003, 38300-SB2-672, 38300-SE3-013, 38300-SA5-013, 38300-S9V-A01, 38300-SA5-004, 38300-S5T-004, 38300-SB2-671, 38300-SA5-003, 38300-S5T-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1994-2001, 1986-1989 Acura Integra
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Acura Integra Power Relay Assembly (4P) (056700-7250) (Denso)
Part Number: 39794-SE0-003
$73.72 MSRP: $103.42
You Save: $29.70 (29%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Power (4P) (056700-7250) (Denso)
- Replaced by: 39794-SL0-J01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1990-2001 Acura Integra
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Acura Integra Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$8.90 MSRP: $12.42
You Save: $3.52 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2023-2024 Acura Integra
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Acura Integra Main Relay Assembly (Rz-0063) (Pgm-Fi) (Mitsuba)
Part Number: 39400-SH3-003
$109.98 MSRP: $155.33
You Save: $45.35 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Main (Rz-0063) (Pgm-Fi) (Mitsuba); Main Relay
- Replaces: 39400-SD4-003, 39400-SK7-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1990-1993 Acura Integra
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Acura Integra Power Relay Assembly
Part Number: 39795-SB2-003
$75.07 MSRP: $105.32
You Save: $30.25 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Power (4P) (Rc-2201) (Mitsuba); Fan Relay, Power Relay, Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1986-2001 Acura Integra
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Acura Integra Relay Assembly, Power (4P) (Micro Iso) (Matsushita)
Part Number: 39794-S04-014
$41.11 MSRP: $57.33
You Save: $16.22 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: 39794-S04-004
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1998-2001 Acura Integra
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Acura Integra Power Relay Assembly (4P) (056700-7330) (Denso)
Part Number: 39797-SE0-003
$65.98 MSRP: $92.02
You Save: $26.04 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay Assembly, Power (4P) (056700-7330) (Denso); Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1986-2001 Acura Integra
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Acura Integra Power Relay Assembly (4P) (056700-85700) (Denso)
Part Number: 39797-SE3-003
$59.85 MSRP: $83.47
You Save: $23.62 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Power (4P) (056700-85700) (Denso)
- Replaces: 39795-SE3-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1994-2001, 1990 Acura Integra
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Acura Integra Power Relay Assembly (4P) (Rc-2201) (Mitsuba)
Part Number: 39797-SE0-004
$56.89 MSRP: $81.25
You Save: $24.36 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Power (4P) (Rc-2201) (Mitsuba); Power Relay, Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1986-2001 Acura Integra
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Acura Integra Power Relay Assembly (4P) (12V No) (Mitsuba)
Part Number: 39792-SP0-014
$50.21 MSRP: $70.03
You Save: $19.82 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Power (4P) (12V No) (Mitsuba); ABS Relay, Power Relay, Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1996-2001 Acura Integra
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Acura Integra Relay Assembly, Power (4P) (056700-7410) (Denso)
Part Number: 39792-SE0-003
$56.17 MSRP: $78.33
You Save: $22.16 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 39792-SP0-004, 39792-SE0-004, 39792-SM1-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1994-1995 Acura Integra
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Acura Integra Relay Assembly, Power (4P No 305) (056700-9260) (Denso)
Part Number: 39792-SL4-003
$56.17 MSRP: $78.33
You Save: $22.16 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Power Relay
- Replaces: 39792-SE4-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 1994-1995 Acura Integra
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Acura Integra Relay Assembly, Power (Micro Iso)
Part Number: 39794-TBA-A01
$4.04 MSRP: $5.63
You Save: $1.59 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2023-2024 Acura Integra

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Acura Integra Relay

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Acura Integra Relay Parts Questions & Experts Answers

Main Relay Assembly
39400-S10-003
Q: How do relays function in electrical system and how can a faulty relay be tested on Acura Integra?
A: Several electrical accessories in the vehicle, such as the fuel injection system, Horns, starter, and cooling fans, utilize relays to transmit electrical signals to the components. Relays operate using a low-current control circuit to manage a high-current power circuit. A defective relay will prevent the associated component from functioning correctly. These relays are located in the engine compartment fuse box and various other spots throughout the vehicle. If a faulty relay is suspected, it can be removed and tested. For testing, it's advisable to consult the wiring diagram to identify the correct connections for the relay. Typically, two terminals correspond to the control circuit, connecting to the relay coil, while the remaining terminals are linked to the power circuit. Most relays are labeled to assist in identifying these terminals. To test, connect an ohmmeter to the power circuit terminals, then use a fused jumper wire to connect one control circuit terminal to the positive battery terminal and another jumper wire from the other control circuit terminal to ground. The relay should click, and continuity will be shown on the meter. If the relay does not click, reversing the jumper wires may be necessary due to polarity sensitivity. If the relay does not pass the test, it should be replaced.