why did the engine service light come on when my lights went out

Asked by Apr 07, 2017 at 11:21 PM about the 2005 Chevrolet TrailBlazer LT 4WD

Question type: Maintenance & Repair

1 Answer

24,155

If that is all that went out and engine did not stall, the lights have a sensor. May be its a loose connection, if the light is still on have the computer scanned at a auto parts store. Check you fuse/relay and ground wire, see if a bulb is blown.

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