What is the function and testing procedure for relays on Honda Ridgeline?

These cars have a number of electrical add-ons, such as fuel injection system, horns, starter and fog lamps, which are controlled by relays that ensure transmission of electric signals to the respective components. By allowing low-current control circuit to open and close high-current power circuit relays function. These relays can be found in the engine compartment fuse/relay box and near the fuse and relay boxes under the dashboard. There are usually three main types: normally-open type-A , normally-open type-B, and five-terminal type ones. The internal circuitry is similar on Type A and Type B relays while they differ in external spade terminal arrangement and numbering. Compared to Type A or Type B relays, five-terminal relays have different internal circuitry plus an added external spade terminal. To test a relay it must be removed from the vehicle and an ohmmeter used to check for continuity. Normally open Type A relays for instance which are used for various purposes such as air conditioning; horns; window lifters have four external spade terminals arranged in two rows. When you unplug them from power sources you should make sure there is no connection between terminals No1 &No2 on one hand but also that there is between terminal No 3 connected to power source via (terminal No 4) a ground wire respectively.The normally-open Type B ones similarly have four external parallel rows of spade terminals just like their counterparts above mentioned for example blower motors; rear defoggers . For these B-type testing is simple which requires breaking connection between contact points No1&No3 when current ceases to flow through them whereas creating path between contacts No1&No3 using their corresponding feeds wires from connectors No2&No4 which are connected with interfaced power line as well as grounded with earth respectively.A last category we will take care about here is five-terminal devices known for moonroof control ; high beam cut-off and others need us to examine continuity between point No 1 &No 4 without power supply whereas later on it should be established by joining terminal No. 3 to power and the ground respectively provided that connection has been completed at points No2&No5. These relay switches are normally discarded as they cannot be repaired.

Genuine Honda Ridgeline Relay

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15 Relays found

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Honda Ridgeline Relay Assembly, Power (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$22.62 MSRP: $32.22
You Save: $9.60 (30%)
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Product Specifications
- Other Name: Horn Relay; Fan Relay, Relay
- Replaces: 39794-SDA-A04, 39794-SDA-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
- 2012-2014 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door Sport | KA 5AT
- 2006 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS | KA 5AT
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Honda Ridgeline Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39794-SDA-A03
$22.81 MSRP: $32.22
You Save: $9.41 (30%)
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Product Specifications
- Other Name: Blower Motor Relay; Fan Relay, Fuel Pump Relay, Horn Relay, Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
- 2006-2014 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door RTX, 4 Door Sport | KA 5AT
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Honda Ridgeline Relay Assembly, Engine Control Module (Denso)
Part Number: 39794-SDA-902
$63.62 MSRP: $92.20
You Save: $28.58 (31%)
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Product Specifications
- Other Name: Ecm Relay; Relay
- Position: Passenger Side
- Replaces: 39794-SDA-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
- 2006-2014 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door RTX, 4 Door Sport | KA 5AT
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Honda Ridgeline Relay Assembly, Fuel Pump (Denso)
Part Number: 39794-SDA-004
$50.52 MSRP: $71.35
You Save: $20.83 (30%)
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Product Specifications
- Other Name: Fuel Pump Relay; Relay
- Replaces: 39794-SDA-305, 39794-SDA-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
- 2006-2014 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door RTX, 4 Door Sport | KA 5AT
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Honda Ridgeline Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$4.47 MSRP: $6.32
You Save: $1.85 (30%)
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Product Specifications
- Other Name: Blower Motor Relay; Relay
- Position: Passenger Side
- Replaced by: 39792-3A0-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
- 2006-2014 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door RTX, 4 Door Sport | KA 5AT
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Honda Ridgeline Relay Assembly, Power (5P) (Micro Iso) (Mitsuba)
Part Number: 39794-S10-003
$46.35 MSRP: $65.47
You Save: $19.12 (30%)
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Product Specifications
- Other Name: Relay
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
- 2006-2014 Honda Ridgeline | 4 Door RTL | KA 5AT
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Honda Ridgeline Relay Assembly, Turn Signal And Hazard (Omron)
Part Number: 38300-SDB-A03
$29.13 MSRP: $41.15
You Save: $12.02 (30%)
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Product Specifications
- Other Name: Turn Signal & Hazard Flasher; Flasher, Relay
- Replaces: 38300-SDA-A03
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2006-2014 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door RTX, 4 Door Sport | KA 5AT
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Honda Ridgeline Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-SDA-A02
$29.16 MSRP: $41.53
You Save: $12.37 (30%)
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Product Specifications
- Other Name: Relay; Fuse
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2021 Honda Ridgeline | 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport (2WD), 4 Door Sport (AWD) | KA 6AT, KA 9AT
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Honda Ridgeline Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39792-SJC-A01
$8.63 MSRP: $12.30
You Save: $3.67 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
- 2006-2014 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door RTX, 4 Door Sport | KA 5AT
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Honda Ridgeline Relay Assembly, Power (4P) (Rc-2201) (Mitsuba)
Part Number: 39795-SB2-003
$87.86 MSRP: $124.10
You Save: $36.24 (30%)
ADD TO CART
Product Specifications
- Other Name: Power Relay; Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2006-2008 Honda Ridgeline | 4 Door RT, 4 Door RTL, 4 Door RTS, 4 Door RTX | KA 5AT
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Honda Ridgeline Relay Assembly, Rfc
Part Number: 39795-SJK-004
$27.59 MSRP: $38.97
You Save: $11.38 (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:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RTL, 4 Door RTL-E AWD | 9AT, KA 6AT, KA 9AT
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Honda Ridgeline Relay Assembly, Power (5P) (Micro Iso)
Part Number: 39794-SNB-E01
$37.11 MSRP: $52.42
You Save: $15.31 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2019 Honda Ridgeline | 4 Door Black, 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD) | KA 6AT
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Honda Ridgeline Relay Assembly, Ignition (1) (Omron)
Part Number: 39794-TG7-A01
$6.27 MSRP: $8.85
You Save: $2.58 (30%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT
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Honda Ridgeline RELAY ASSY
Part Number: 39792-3A0-A01
$4.47 MSRP: $6.32
You Save: $1.85 (30%)
ADD TO CART
Product Specifications
- Replaces: 39792-SDA-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2022-2026 Honda Ridgeline | 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RTL, 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door Sport, 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT
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Honda Ridgeline Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-T5A-J01
$37.19 MSRP: $52.53
You Save: $15.34 (30%)
Product Specifications
- Other Name: Relay
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2017-2026 Honda Ridgeline | 4 Door Black, 4 Door Black Edition, 4 Door Black Edition AWD, 4 Door Black Edition Two-Tone, 4 Door RT (2WD), 4 Door RT (AWD), 4 Door RTL, 4 Door RTL (2WD), 4 Door RTL (AWD), 4 Door RTL AWD, 4 Door RTL-E AWD, 4 Door RTS (2WD), 4 Door RTS (AWD), 4 Door Sport, 4 Door Sport (2WD), 4 Door Sport (AWD), 4 Door Sport AWD, 4 Door TrailSport, 4 Door TrailSport AWD, 4 Door TrailSport With HPD Wheels | 9AT, KA 6AT, KA 9AT

Honda Ridgeline Relay

The Honda Ridgeline Relay protects essential pieces of the electrical system by serving as an electrically operated switch that allows a low power signal to command higher current loads. Inside the climate system of the truck, this tiny device manages circuits for the cooling fan, blower motor, and A/C clutch to ensure that the cabin has the temperature the sensors are requesting. When a Relay breaks, the affected part stops, so the truck may lose fan speed or cold air even though there's nothing wrong with the major hardware, so quick replacement of a Relay may be a smart thing to do before doing bigger repairs. Early Ridgeline models relied on a traditional electromechanical Relay using an electromagnet to snap contacts together, while later years can feature solid state or magnetic latching Relay versions that achieve the same goal with fewer moving parts or that keep their last position after a brief pulse. The electromechanical style provides audible feedback and easy diagnostics within the factory Honda wiring, whereas the solid state style provides better response and longer life in the vibration prone Honda Ridgeline engine bay, giving today's Honda owner more durability without the loss of the simple plug in layout familiar to every Ridgeline driver.

In search of affordable OEM Honda Ridgeline Relay? Consider browsing through our extensive inventory of genuine Honda Ridgeline Relay. Not only do we provide market-leading prices and a manufacturer's warranty, but we also pride ourselves on exceptional customer service and swift delivery.

Honda Ridgeline Relay Parts Questions & Experts Answers

Relay Assembly, Power (Micro Iso) (Omron)
39794-SDA-A03
Q: What is the function and testing procedure for relays on Honda Ridgeline?
A:
These cars have a number of electrical add-ons, such as fuel injection system, Horns, starter and fog lamps, which are controlled by relays that ensure transmission of electric signals to the respective components. By allowing low-current control circuit to open and close high-current power circuit relays function. These relays can be found in the engine compartment fuse/relay box and near the fuse and relay boxes under the dashboard. There are usually three main types: normally-open type-A , normally-open type-B, and five-terminal type ones. The internal circuitry is similar on Type A and Type B relays while they differ in external spade terminal arrangement and numbering. Compared to Type A or Type B relays, five-terminal relays have different internal circuitry plus an added external spade terminal. To test a relay it must be removed from the vehicle and an ohmmeter used to check for continuity. Normally open Type A relays for instance which are used for various purposes such as air conditioning; horns; window lifters have four external spade terminals arranged in two rows. When you unplug them from power sources you should make sure there is no connection between terminals No1 &No2 on one hand but also that there is between terminal No 3 connected to power source via (terminal No 4) a ground wire respectively.The normally-open Type B ones similarly have four external parallel rows of spade terminals just like their counterparts above mentioned for example blower motors; rear defoggers . For these B-type testing is simple which requires breaking connection between contact points No1&No3 when current ceases to flow through them whereas creating path between contacts No1&No3 using their corresponding feeds wires from connectors No2&No4 which are connected with interfaced power line as well as grounded with earth respectively.A last category we will take care about here is five-terminal devices known for moonroof control ; high beam cut-off and others need us to examine continuity between point No 1 &No 4 without power supply whereas later on it should be established by joining terminal No. 3 to power and the ground respectively provided that connection has been completed at points No2&No5. These relay switches are normally discarded as they cannot be repaired.