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Re: What did you do to your truck today.The 3rd chapter
No pics, but on my '68 C20 the ammeter was showing the circuit as discharging. I replaced the alternator with a know good alternator that tested good. No change, so I replaced the voltage regulator with an old one that I had laying around. Ammeter then bounced around from charging to discharging. I then replaced the horn relay and voltage regulator with brand new ones and now showing "charging" for the most part... May look at and replace the 53 year old charging circuit wiring harness next...
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