My 1991 keeps dying, help.

02vertable · Nov 9, 2018

I have a 1991 gt, it wouldnt crank over, so I jump started it, a few minutes later it died again. So I took out the battery and alternator and had them tested, they both passed, I replaced the alternator anyway because it sounded like it was going out, and had I the battery charged a little. Still after a bit of driving it started to lose charge again. I followed all of the visible wiring and couldn't find any signs of corroding, my connections look ok, my grounds look fine. The only thing I could think of is to replace the battery anyway. Anybody know what I should do?? Thanks

StratTone · Nov 9, 2018

Hard to say without seeing it but to me sounds like a wiring problem. Are you getting a battery light? If so I'd focus my attention on the connectors to the alternator. People pull them by the wires instead of the plug and one of the pins may be backed out.

90sickfox · Nov 9, 2018

Use a multimeter and check for voltage at the big wire on the alternator for 12 volts or more. Check the wires at the starter solenoid for 12v or more.

Post pics of what you've got going on.

02vertable · Nov 9, 2018

StratTone said:
Hard to say without seeing it but to me sounds like a wiring problem. Are you getting a battery light? If so I'd focus my attention on the connectors to the alternator. People pull them by the wires instead of the plug and one of the pins may be backed out.

Currently the battery is dead, I've got it charging. I did pull the dash apart yesterday to replace my speedo cable, could I have unhooked anything while doing that that could cause this?

Blown88GT · Nov 11, 2018

The indicator lamp is part of the charging circuit. Won't charge if it's burned out.

02vertable · Nov 11, 2018

Blown88GT said:
The indicator lamp is part of the charging circuit. Won't charge if it's burned out.

How do I get to the indicator lamp?

General karthief · Nov 11, 2018

Pull the gauge cluster, use a flashlight on the gauge face to find which bulb is the battery light.

02vertable · Nov 11, 2018

General karthief said:
Pull the gauge cluster, use a flashlight on the gauge face to find which bulb is the battery light.

Could those bent up wires be my problem? The battery indicator bulb doesn't look burnt out to me.

General karthief · Nov 11, 2018

Test the bulb with a 12 volt jumper.
Yea, those two on top don't look healthy, where do they go?

02vertable · Nov 11, 2018

General karthief said:
Test the bulb with a 12 volt jumper.
Yea, those two on top don't look healthy, where do they go?

I believe they go to the battery indicator bulb. I think that's my problem. How can I repair that? I would prefer just replacing that whole sheet of those wire strips on the back of the cluster, I just dont know where to find the part.

General karthief · Nov 11, 2018

Check out our vendor forums and see if they offer them.

Blown88GT · Nov 12, 2018

I don't think they are replaceable. Doesn't look like any standard component I have ever seen.

General karthief · Nov 12, 2018

I will look in my stash of clusters, I think I have a 91 and see what it looks like.

My 1991 keeps dying, help.

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Wasn't a pretty sight...and I've got big hands

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wonder how much it would cost to ship you a pair

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wonder how much it would cost to ship you a pair

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wonder how much it would cost to ship you a pair

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My 1991 keeps dying, help.

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wonder how much it would cost to ship you a pair

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