2003 Chevy Cavalier Headlight on fuse blows

2003 CHEVROLET CAVALIER
111,000 MILES • 4 CYL • 2WD • AUTOMATIC
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ARTPEREZ2
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FixYa:
We understand that your problem is:
I recently installed an aftermarket signal switch assembly which included the cruise control and headlights, recently it started blowing the (ext lamp) fuse when I switch on the headlights from the switch. The daytime running lamps however work just fine. Could it be the switch that is shorting out..
Aug 14, 2010 at 8:00 PM
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MMPRINCE4000
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If the fuse blows instantly, then there is a short to ground, 12V power is shorting to ground.

If it takes a few munites, then the circuit is overloading, exceeding the amperage of the fuse.

I would recheck all wiring you installed, to start with.
Aug 15, 2010 at 8:48 AM