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take that head light out and look at the connection to see if the prongs are corroded and not making a good contact. or check for a bad ground or no juice at the plug
There are several things that can cause your 2004 Chevy Trailblazer headlights to keep going out. The most common cause is a loose or corroded ground wire.
More than likely the sway bar links - TSB on these
Yes, the ignition on a trailblazer can cause head lights to work improperly.
What would cause the engine not to restart when hot Chevy Trailblazer 2007?
a possible solution would be to check ground wires. The driver and passenger side front lights have separate ground wires in wiring harness. The result of having ground wire disconnected is dimming headlights.
What would cause a headlight not to work on a Corsa SXI
Replace the fuel filter every 36,000 miles. A clogged fuel filter can cause the fuel pump to overheat and fail. A costly repair.
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No
over heat
There are several things that can cause your 2004 Chevrolet Trailblazer to idle rough. The most common causes are a dirty fuel filter or a dirty air filter.