Battery dies, voltage doesn't charge
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4wd Low
Joined: Jan 2022
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Battery dies, voltage doesn't charge
Hey all, I recently obtained a 1992 f150 with a 4.9 i6, 5 speed manual. It drove great until today, when the dash started not working and I noticed that the battery voltage was very low. I thought it was an alternator, and after replacing it doesn't seem to fix or charge the battery. I took it to orileys to see if they could test it, and they said it was a voltage regulator issue. The alternator is new and so the internal regulator I assume is still good, but I could not find the external regulator. Where in the hell is this thing? Could there be anything else causing the issue?
Hotshot
Joined: Jun 2015
Posts: 12,811
Likes: 2,431
Hey all, I recently obtained a 1992 f150 with a 4.9 i6, 5 speed manual. It drove great until today, when the dash started not working and I noticed that the battery voltage was very low. I thought it was an alternator, and after replacing it doesn't seem to fix or charge the battery. I took it to orileys to see if they could test it, and they said it was a voltage regulator issue. The alternator is new and so the internal regulator I assume is still good, but I could not find the external regulator. Where in the hell is this thing? Could there be anything else causing the issue?
Hotshot
Joined: Jul 2020
Posts: 10,401
Likes: 2,607
From: Near Salt Lake City
You might have burnt up the fuse link wire when your alternator crapped out?
Or a short took out the fuse link and the alternator is still okay?
Check the big wire on the rear of the alternator for voltage
Yes, those alternator connectors melt, replace it
Wiggle the connector with the engine running to see if a bad connection exists
Good luck, have fun
Or a short took out the fuse link and the alternator is still okay?
Check the big wire on the rear of the alternator for voltage
Yes, those alternator connectors melt, replace it
Wiggle the connector with the engine running to see if a bad connection exists
Good luck, have fun
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