GPR fuse link location?

3339 Views 1 Reply 2 Participants Last post by bugman, Jan 30, 2017

nm_longshot

Discussion Starter · Jan 30, 2017

2002 F250

I have lost power to both my GPR and Plenum heater relays. Truck was no-start in the cold, so first thing I check is voltage at / across my GPR. Normally, one of the big lugs has 12V on it, right? Well both my GPR and my plenum relays no longer have a 12V connection. Dead. Both sides of relay no power.

When I tried a start, I noticed a wisp of smoke come up from the engine, but did not get to see where it was coming from. I'm guessing that my fuse link(s) have given up the ghost. I have not attempted to trace the wires yet. Yes, I know I need to find out why they failed.

Can you tell me :

1) Are both the GPR and Plenum-heat relays fed by the same fuse link?
2) Where are then located?
3) What size (Amp) fuse link are they?
4) I don't have a large crimp tool. Do auto part stores sell crimp / solder lugs that also have heat shrink on them? I've never replaced a fuse link, and seems like a crappy electrical connection will have me doing this again (or worse).

Thanks!

-f-

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bugman

· #2 · Jan 30, 2017

I can't help you much but if I was in your place I would start at the starter solenoid on the fender or the glow plug relay itself. Then feel along the wire that is usually hot all the time until you find a mushy spot, this should be where the link blew. Also from what I understand the glow plugs and the plenum heater are on the same link.

You'll also need to find what cause it to blow.

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