84cucv1ton
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turn the key and it clicks and stays on. wires are right. anyone else have this happen? bad relay?
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relay will not shut off
- Thread starter 84cucv1ton
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hobie237
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What relay are you talking about? Glow plug? Starter? Injection pump?
I'm assuming that you're talking about the starter relay, as welding themselves shut is a common failure mode. Replace it with a new one. One of the part numbers for that relay is AC40, any good auto parts store should be able to cross that. I think I paid $12 for the last one I bought.
I'm assuming that you're talking about the starter relay, as welding themselves shut is a common failure mode. Replace it with a new one. One of the part numbers for that relay is AC40, any good auto parts store should be able to cross that. I think I paid $12 for the last one I bought.
Armada
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I always replace the glow plug relay, and the starter relay under the dash as soon as I get a cucv. It's good insurance. They will fail by either not coming on or staying on. If they stay on, it will cause even more damage. You could cook a starter, wreck a flywheel, melt down the glowplugs, etc.
On the first cucv I ever owned, the starter relay stuck on and before I could get the batts disconnected the insulation on the starter wiring caught fire. By the time I got it put out I had to replace the starter, all of the wiring and a couple hoses and other misc. parts on the right side of the engine and firewall. Could have been worse though. Learned a couple lessons. Always carry a fire extinguisher and install new relays so you know what you have.
On the first cucv I ever owned, the starter relay stuck on and before I could get the batts disconnected the insulation on the starter wiring caught fire. By the time I got it put out I had to replace the starter, all of the wiring and a couple hoses and other misc. parts on the right side of the engine and firewall. Could have been worse though. Learned a couple lessons. Always carry a fire extinguisher and install new relays so you know what you have.
84cucv1ton
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its the glow plug relay
hobie237
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Just unplug it after you're done with the glow plugs until you can find a replacement. Lots of guys wind up using a Ford relay, I forget the number, but a search should turn it up.
Michael
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The answer is in the FAQ thread in the sticky at the top of this forum. I used the ST85 relay the last time I replaced one. It is almost an exact match for the one the military used and is made in the USA. It even came with new nuts on all the posts.
84cucv1ton
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really a ford one. ok never knew that. i will looking in to it. price?
hobie237
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Last I looked they were a bit over $100. Used stock units are in the $30 range, but you never know how much life is left in it.
84cucv1ton
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100 bucks wow i thought all relays are pretty much the same thing?
hobie237
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Mechanically, yeah, they're all about the same, but the glow plug relay has to carry a LOT of current.
Michael
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You can spend $100 if you want to but you really need to read this:
http://www.steelsoldiers.com/showthread.php?t=20600
The ST85 is not the ford relay.
http://www.steelsoldiers.com/showthread.php?t=20600
The ST85 is not the ford relay.