78 f350 dead
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From: East Tn
78 f350 dead
Been sitting a couple of months. Put a known good battery on it and nothing. No clicks no interior lights. Nothing. Cables are good also. Any ideas before I part it out?
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MSEE
Joined: Apr 2004
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From: Austin, TX
If you're not even getting any lights at all, your problem is before the starter solenoid. There is a fusible link at the battery side of the solenoid that is responsible for feeding the truck's entire electrical system. If it's blown, the truck will be completely dead. Check it for continuity.
Lead Driver
Joined: Nov 2006
Posts: 5,217
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From: Pa.
If you're not even getting any lights at all, your problem is before the starter solenoid. There is a fusible link at the battery side of the solenoid that is responsible for feeding the truck's entire electrical system. If it's blown, the truck will be completely dead. Check it for continuity.
Lead Driver
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From: Pa.
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Posting Guru
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From: East Tn
Because it doesn't start, click or anything.
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So then the problem must be further down the line. After you tested the solenoid did you check to see if you have lights? I'm guessing you've already checked but for the sake of asking, have you checked to make sure things are grounded? I know you said that the cables are good but that doesn't mean they're hooked to something good.
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If it has been sitting for a while and you did not change the cables then there is a good chance the ground connection is rusted, corroded, and just generally screwed up. Mine sat 9 yrs...first thing we did when reviving it was take off the grounds, wire brush everything within a 6 inch radius + the cable. (wanted to make darn sure it was grounded)
MSEE
Joined: Apr 2004
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From: Austin, TX
What terminals of the solenoid did you short, and what does this have to do with the lights? Your "troubleshooting" is all over the place and it's hard to establish the steps you're taking and the observations you're seeing.
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