Hi, Just found this board. I am hoping that someone here can help me!

I just bought a '97 F150 Supercab 4x2. The truck is in cherry condition, but has 175k miles. It runs great, however, when I accelerate hard (like passing someone on the highway), the "battery" indicator on the dash flickers on and off.

Is this a problem that I should be worried about? A possible problem with the voltage regulator or alternator? Maybe a cable loose somewhere?

TIA
Bob
txpakrat

 

Could be your serpentine belt has stretched or your alternator is on the way out.

 

Yankee,

Thanks for the info. I had the truck serviced when I picked it up. They replaced the serpentine belt.

Could it be slipping? Incorrect tension?

Thanks,
Bob
Txpakrat

 

If they replaced the belt it is most likely not slipping. The light indicates a problem with the alternator. I beleive that parts stores will test the alternator for free.

Regards

Jean Marc Chartier

 

Thanks!

If it gets worse, I'll pull it see if that is the problem.

Bob
txpakrat