good alt. good bat. starts truck runs good use heater,lights,etc. battery drains truck dies?
Feb 27, 2010 at 7:24 PM
Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
Advertisement
MHPAUTOS
CAR REPAIR CONTRIBUTOR
31,937 POSTS
Hi there,
You will need to have a procedure called a current draw test done, this will check for any excessive current draw with the ignition turned off, you may have a stuck relay or faulty switch drawing down on the battery over night.