What are the functions and types of relays used in electrical accessories on Acura TL?

Many electrical accessories, such as the fuel injection system, horns, starter, and fog lamps, utilize relays to manage current to components, employing a low-current control circuit to operate a high-current power circuit. A defective relay will prevent the associated component from functioning, and these relays can be found in the engine compartment fuse/relay box and near the under-dash fuse and relay box, with access to the under-dash relays requiring the removal of the left kick panel. There are two primary types of relays: normally-open type A and five-terminal type A. Normally-open type A relays serve various functions, including ABS fail-safe, accessory power socket, air conditioning components, and multiple light relays, characterized by four external spade terminals arranged in a specific configuration. Testing involves checking for continuity between designated terminals with power applied or disconnected. Normally-open type B relays, used for systems like the ABS pump motor and blower motor, also feature four terminals but arranged differently. Five-terminal type A relays, utilized for windshield wiper control, have five terminals in two rows, and testing requires verifying continuity between specific terminals under certain conditions. Five-terminal type B relays, which serve functions such as ACC cut and moonroof controls, follow a similar testing procedure to ensure proper operation.

Genuine Acura TL Relay

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37 Relays found

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Acura TL Power Relay Assembly (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$22.56 MSRP: $32.22
You Save: $9.66 (30%)
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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.
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Acura TL Engine Control Module Relay Assembly
Part Number: 39794-SDA-902
$64.56 MSRP: $92.20
You Save: $27.64 (30%)
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Product Specifications
- Other Name: Engine Control Module; Relay Assembly, Relay
- Replaces: 39794-SDA-901
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Power Relay Assembly
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: HVAC Blower Motor Relay; Relay Assembly Power
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Fuel Pump Relay Assembly (Denso)
Part Number: 39794-SDA-004
$51.16 MSRP: $71.35
You Save: $20.19 (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.
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Acura TL Power Relay Assembly (Brown)
Part Number: 39794-SL0-J01
$88.49 MSRP: $126.38
You Save: $37.89 (30%)
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.
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Acura TL Relay Assembly, Power (4P) (Rc-2225) Black (Mitsuba)
Part Number: 39794-SL0-004
$88.49 MSRP: $126.38
You Save: $37.89 (30%)
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.
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Acura TL Turn Signal And Hazard Relay Assembly (Fr-3309)
Part Number: 38300-SE3-013
$81.08 MSRP: $113.75
You Save: $32.67 (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.
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Acura TL Turn Signal And Hazard Relay Assembly
Part Number: 38300-S9A-003
$81.08 MSRP: $113.75
You Save: $32.67 (29%)
Ships in 1-3 Business Days
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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.
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Acura TL Power Relay Assembly (4P) (056700-7250) (Denso)
Part Number: 39794-SE0-003
$88.49 MSRP: $126.38
You Save: $37.89 (30%)
Ships in 1 Business Day
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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.
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Acura TL Relay Assembly, Turn Signal And Hazard (Trico)
Part Number: 38300-S9V-A01
$81.08 MSRP: $113.75
You Save: $32.67 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Turn Signal & Hazard Flasher
- Replaced by: 38300-S9A-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Main Relay Assembly (Mitsuba)
Part Number: 39400-S84-003
$100.29 MSRP: $140.70
You Save: $40.41 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Main (Mitsuba); ECM Relay, Relay Assembly
- Replaces: 39400-S82-A01, 39400-S84-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$4.53 MSRP: $6.32
You Save: $1.79 (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.
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Acura TL Power Relay Assembly (5P) (Micro Iso) (Mitsuba)
Part Number: 39794-S10-003
$46.94 MSRP: $65.47
You Save: $18.53 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Power (5P) (Micro Iso) (Mitsuba); Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Power Relay Assembly
Part Number: 39795-SB2-003
$88.46 MSRP: $124.10
You Save: $35.64 (29%)
Ships in 1-3 Business Days
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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.
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Acura TL Relay Assembly, Power (4P) (Micro Iso) (Matsushita)
Part Number: 39794-S04-014
$48.49 MSRP: $67.63
You Save: $19.14 (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.
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Acura TL Power Relay Assembly (4P) (056700-7330) (Denso)
Part Number: 39797-SE0-003
$78.53 MSRP: $110.17
You Save: $31.64 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Power (4P) (056700-7330) (Denso); Relay
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Turn Signal And Hazard Relay Assembly (Mitsuba)
Part Number: 38300-SHJ-A04
$82.76 MSRP: $116.10
You Save: $33.34 (29%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay Assembly, Turn Signal And Hazard (Mitsuba) ; Turn Signal & Hazard Flasher; Flasher, Turn Signal & Hazard Flasher
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Turn Signal And Hazard Relay Assembly
Part Number: 38300-SDA-A01
$20.26 MSRP: $28.25
You Save: $7.99 (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; Flasher, Turn Signal & Hazard Flasher
- Replaces: 38300-SDA-A02
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura TL Power Relay Assembly (4P) (Rc-2201) (Mitsuba)
Part Number: 39797-SE0-004
$61.26 MSRP: $87.48
You Save: $26.22 (30%)
Ships in 1 Business Day
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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.
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Acura TL Power Relay Assembly (4P) (12V No) (Mitsuba)
Part Number: 39792-SP0-014
$58.44 MSRP: $81.50
You Save: $23.06 (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.

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Acura TL Relay

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Acura TL Relay Parts Questions & Experts Answers

Power Relay Assembly
39794-SDA-A03
Q: What are the functions and types of relays used in electrical accessories on Acura TL?
A:
Many electrical accessories, such as the fuel injection system, Horns, starter, and fog lamps, utilize relays to manage current to components, employing a low-current control circuit to operate a high-current power circuit. A defective relay will prevent the associated component from functioning, and these relays can be found in the engine compartment fuse/relay box and near the under-dash fuse and relay box, with access to the under-dash relays requiring the removal of the left kick panel. There are two primary types of relays: normally-open type A and five-terminal type A. Normally-open type A relays serve various functions, including ABS fail-safe, accessory power socket, air conditioning components, and multiple light relays, characterized by four external spade terminals arranged in a specific configuration. Testing involves checking for continuity between designated terminals with power applied or disconnected. Normally-open type B relays, used for systems like the ABS pump motor and blower motor, also feature four terminals but arranged differently. Five-terminal type A relays, utilized for windshield wiper control, have five terminals in two rows, and testing requires verifying continuity between specific terminals under certain conditions. Five-terminal type B relays, which serve functions such as ACC cut and moonroof controls, follow a similar testing procedure to ensure proper operation.