Having problems with your Chevrolet C3500 ?
BATT. DRAINS DOWN AFTER 5 DAYS, HAS NEW BATT. AND ALT. CABLES ARE CLEAN, LIGHT UNDER HOOD DISCONN. STEREO DISCONN. BLOWER MOTOR DISCONN. STEREO AMP DISCONN. NONE OF THE OTHER LIGHTS STAY ON AND THE VOLT METER IN THE DASH DROPS EVRYTIME THE HEAD LAMPS ARE ON AND DOES NOT GO BACK UP.
What kind of car is it un hook the alt and see if it goes down sound like it is bad if you turn the headlights on and it drops the regulator is not working is it on the alt or on the car
You may have a relay stuck. Check the power door locks, power windows, power seat, furl pump relays, etc.
Repair Help & Product Troubleshooting for Chevrolet C3500
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