Universal WM686 24V 100A 4 Pin Normally Open Car Starter Relay
This 24V 100A automotive relay features a durable nylon shell and a pure copper coil for high conductivity.
Key facts
- Part type
- 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
- 24V DC
- Rated Current
- 100A
- Pins
- 4 Pin
- Contact Type
- Normally Open (NO)
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.
Starter Relay specifications
- Voltage
- 24V DC
- Rated Current
- 100A
- Pins
- 4 Pin
- Contact Type
- Normally Open (NO)
Installation guide - General replacement guidance
General guidance for this part type - always follow your device manual- Tools as your service manual specifies
- Brakes, steering, suspension and engine internals: if you are unsure, use a qualified mechanic.
- 1Make it safe. Park on level ground, switch the engine off, apply the parking brake and let hot parts cool.
- 2Find the part. Your owner's or service manual shows where it sits; access varies by model and year. Photograph each step.
- 3Disconnect the battery. Remove the negative (-) terminal before working on anything electrical.
- 4Swap the part. Note its orientation, connectors and fixings, compare the new part side by side, and fit it the same way without forcing it.
- 5Reconnect and test. Reconnect everything and test the part before driving.
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.
+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.