no power
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
no power
it is one thing after another.this morning went tou to the truck to fire it up and head to work it was turning over then all the sudden i lost all electrical the headlights or nothing will come on i tested the batteries and they are good.is there a master fuse somewhere?what would cause this?
Laughing Gas
Joined: Mar 2006
Posts: 1,083
Likes: 1
From: Fitzpatrick Alabama
Probably the wire between the starter solenoid and the alternator, right? Mine did the same thing just a few weeks ago and the wire was burnt up.
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Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
The passenger side positive battery terminal is probably responsible for 60+% of the electrical problems in these trucks.
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Thread Starter
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Cargo Master
Joined: Feb 2008
Posts: 3,409
Likes: 1
From: back in SE Iowa
i think im going to look for some big beefy terminals and replace them all again so i can prevent this issue again i would rather spend and extra $30 than be stranded and have a nasty tow bill.thats my thinking anyway
Postmaster
Joined: Apr 2008
Posts: 4,802
Likes: 1
Some of these trucks have a pretty stupid electrical wiring - mine for instance had the charge wire from the alternator going to the battery like it should, but the power feed from the battery to the rest of the truck was not coming from the battery terminal to the fender-mount starter relay, but instead was coming all the way down from the starter, in other words the current would travel all the way down through the fat starter cable, then travel back all the way up to the starter solenoid. It looked like a factory setup too, and I've seen it on at least two junkyard trucks. Trace your power feed to the fender-mount starter relay, you may have the odd setup like me...
Laughing Gas
Joined: Mar 2006
Posts: 1,083
Likes: 1
From: Fitzpatrick Alabama
Never seen anything like that, I have two 83 trucks, one 84, two 86, and one 88. All of them have the hot wire going from the battery across to the starter solenoid, then down to the glow plug solenoid(not the 88) and then to the alternator, but between the GP solenoid and the alternator it splits off like 3 or 4 times, goes all different places I guess, but that wire from the GPs to the Alternator is 50% of my problems it seems lately.
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