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  • SN95 V6 Mustang Tech

94 3.8 starting/battery problems

  • Thread starter Thread starter Mustang sa11y13
  • Start date Start date Nov 18, 2010

Mustang sa11y13

New Member
Nov 18, 2010
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Nov 18, 2010
#1
  • Nov 18, 2010
  • #1
First or all, this is my first post and have found the other forums quite helpful. But know on to the main point. I have a 1994 3.8L V6 Mustang with several upgrades. I've added, bosch fusion spark plugs, bosch wires, bbk cold air intaked, bbk 56mm throttle body, bbk short throw shifter, and bbk pullys. I have also recently replaced the clutch and wiper control model. I have had a few problems with the electrical system over the years and know its on the frits again. 2 winters ago, i had to get a jump because the battery was dead and somehow fried the wiper control module. it also blew out both headlights and my in dash speedo and tach. after fixing that, the driver electric seat stopped working, passenger window wont work, and the driver lock button will not work. also it has not been wanting to start on a cold day. the battery seems to be drained and when i turn the key, nothing happens. so I've been using a booster pack to help start it, and that seems to work but i want the problem fixed. I have narrowed an electrical drain down to the in cab fuse #8. which runs the interior lights, clock, ect. but when i pull it out and hit the unlock button on either side, the turn lights come on. I was hoping some of you might have an answer for me to weather there might be some other things i might check to fix the problem. Or if you might have had the same problems. Thank You.
 

wmburns

SN Certified Technician
Aug 14, 2009
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Houston Texas
Nov 18, 2010
#2
  • Nov 18, 2010
  • #2
Have you tested the alternator for output and excessive AC ripple?

Have you tested the battery?

Are the battery terminals clean, corrosion free, and tight?

Have you checked the grounds around the radiator core support and battery box?
 
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