Charging warning light when cold

A

adi

Guest
I just started having an issue in the morning and/or when the car sits in cold weather for a while. It starts up fine, but the charging (little battery) light stays on, and the tach does not function. After 5-7 minutes of driving, both with start working. They will also both start working if the revs get to 2700rpm+.

I took it to the dealer, and they said its the 2 gauge wiring I used from the battery to the fuse box, and from the fuse box from the alternator, saying it has too much resistence when its cold. All ends are soldered on, crimped, and completely sealed, so it makes me doubtful that is it. Connected to Optima battery.

Any other suggestions? I believe I still have the stock wiring and might take the time to hook it up, but want to make sure there isnt something else that would take out charging system and tach at the same time.

'96 Disco
 
Errant

Errant

Well-known member
Oct 1, 2004
767
20
Southern California
adi said:
they said its the 2 gauge wiring I used from the battery to the fuse box, and from the fuse box from the alternator, saying it has too much resistence when its cold
Click to expand...

I'm having the exact same problem, and I have NOT changed the wiring. My alternator was tested (while cold out) and found not working. But it does work when warm. Seems a little odd to me :eek:
 
A

adi

Guest
Yeah, thats what the dealer said, alt. is charging fine. But this was right after driving 20 minutes to get there, so it was nice and warm. Time to look for alternators now.
 
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