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Old 09-21-2015, 12:10 AM   #8
Baradium
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Join Date: Jan 2001
Location: Salcha, AK
Posts: 1,506
Re: 1987 diesel fire truck (mini pumper pickup) electrical issue

Quote:
Originally Posted by GM72K10 View Post
Awesome.
Hopefully that's all it is.
News actually gets better. The other guy is a heavy truck mechanic so he isn't used to working with glow plugs. When you first start the truck the alternator can hardly keep from discharging (on the add on ammeter) while the glow plugs are still running, but once they stop it shows a healthy charge rate which comes down normally. Voltmeter is reading in a good range as well. I think he didn't leave it running long enough for the glow plugs to stop cycling and just thought the alternator wasn't working.

The starter solenoid is because he saw some corrosion, he wants to swap it for preventative maintenance. He must've dropped the starter (I was going to do that yesterday) and that's when he figured out a cable we thought was a ground cable going to the back of the truck was actually the starter one. The cable we thought was the starter one must go back to the motor on the hose reel at the very back of the truck.

It's running great. I'm waiting on paperwork so I can title it and transfer it to the Fire Dept, but other than that I think it could be ready to go back into service within a week.
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