when i turn on either my head light switch on it causes my fuel pump to come on

1997 CHEVROLET TRUCK
100,000 MILES • 4.3L • V6 • 2WD • MANUAL
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HUNTER53
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  • 1 POST
when i turn on either my head light switch on it causes my fuel pump to come on and my gauges will start to move back and forth besides my tachometer and speedometer. also, hard to start, my truck does not want to crank over.
Oct 7, 2016 at 10:06 PM
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HMAC300
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  • 48,601 POSTS
check battery connections like ground to body and ground to frame/engine ground for dash is near thermostat housing and right front of engine block.
Oct 8, 2016 at 7:30 AM