Universal WM686 12V 100A 4-Pin Normal Open Car Starter Relay
This compact 4-pin automotive starter relay features a durable, heat-resistant nylon shell and pure copper coils for high conductivity.
Key facts
- Part type
- Car Starter Relay
- Type
- Aftermarket replacement
Compatibility matrix
Only models verified by our team are listedTo see if it fits your vehicle, compare these published specifications with your original part:
- Voltage
- 12V DC
- Current
- 100A
- Number of Pins
- 4
- Contact Type
- Normally Open
- Material
- Nylon, Brass
Not sure? Send us your exact model number and we will confirm the fit before you order.
We have not confirmed a model list for this part yet. Match it with the published specifications above, or send us your exact model number and we will confirm before you order.
Car Starter Relay specifications
- Voltage
- 12V DC
- Current
- 100A
- Number of Pins
- 4
- Contact Type
- Normally Open
- Material
- Nylon, Brass
Installation guide - Replacing a car switch
General guidance for this part type - always follow your device manual- Plastic trim tools
- Small screwdrivers
- If your switch sits behind the steering wheel, removing the wheel means removing the airbag. Leave that to a professional.
- 1Make it safe. Engine off, key out.
- 2Find how it is fitted. Window and dash switches usually pop out of their panel with a trim tool. Stalk switches sit behind the steering column covers.
- 3Remove the old switch. Lever it out gently at the edges or remove the column covers and its screws, then unplug the connector by pressing its tab.
- 4Fit the new switch. Plug the connector in until it clicks and press the switch into place, or screw it in and refit the covers.
- 5Test every function. Check each position (all windows, indicators, wipers, cruise) before final fitting.
This is general guidance for the part type, not a model-specific procedure. If the part does not fit without force, stop and recheck compatibility.
Maintenance check
Signs it's time to replace
- 01Clicking sound but the engine does not crank
- 02Engine cranks slowly or only sometimes
- 03Grinding noise when starting
12 month warranty on every part
Every part we sell is covered for 12 months from delivery. If it fails in normal use, we replace it or refund you , claim it straight from your order page.
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Questions & answers
+Which models has your team verified?
None yet. The title shows the models this part is designed for, but our team hasn't confirmed the fit. Compare the part with your old one before ordering.
+What is the car starter relay made of?
Listed material: Nylon, Brass.
+Is it hard to install?
Install difficulty: Moderate · basic hand tools. Step by step instructions are on this page.
+How fast will it arrive?
US orders arrive in 7 to 15 business days with free shipping. Other countries are shown at checkout.
+Is there a warranty?
Yes, a 12-month warranty is included, and you can extend it at checkout. Returns are accepted within 30 days.