83 TOYOTA TRUCK S22R OVERCHARGING AFTER RUNNING AWHILE

  • Tiny
  • earlycarp
  • 1983 Toyota Pickup

We bought this truck and all the lamps were blown, it runs and idles perfect. We have put on a new alternator and new voltage regulator and it is still overcharging after it has ran awhile. We have looked for bare wires and can not find any, and have put a volt meter on them all - What Now?

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Thursday, September 7th, 2006 AT 10:57 AM

3 Replies

  • Tiny
  • rasmataz
  • Member

What's the voltages at no load and 2ks rpm.

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Friday, September 8th, 2006 AT 6:03 AM
  • Tiny
  • earlycarp
  • Member

17 volts no load, w/ lights & blower the volts drop.

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Friday, September 8th, 2006 AT 7:40 PM
  • Tiny
  • earlycarp
  • Member

Well, after much research, I have that alot of people have this problem. It happens when they replace alt. With an after market one. I found one person who had fixed it by running a ground wire to the back of the alt. I did this and it seems to work. Hope this helps others with same problem. Thanks

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Sunday, September 10th, 2006 AT 9:41 PM

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