glow plug relay modular wiring, help!!!!
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Freshman User
Joined: Jul 2001
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From: Colorado
glow plug relay modular wiring, help!!!!
Can some one please tell this dumb ___ how to propery wire the glow plug relay on a 1992 Ford, 7.3 diesel. I just had the heads rebuilt and put this engine back together, however I can't seem to get the "wait to start" indicator to come on, and when I do the thick wire(metal) strap on the relay gets hotter tyhan hell and smokes like crazy. What is the proper way to wire this thing? I am so frustrated m now it is driving me nuts. Whic wires ( color/size) go where? Why is this thing smoking? Thanks.
Posting Guru
Joined: Mar 2002
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From: Twin Cities, MN
glow plug relay modular wiring, help!!!!
I personally would just use a relay with a push button in the dash to energize it. The plus is they don't come on when you don't need them to helping them last longer. Just don't hold it down too long.
Senior User
Joined: Feb 2000
Posts: 162
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From: Denair, California
glow plug relay modular wiring, help!!!!
I just put a 1992 7.3L IDI into my 1986 F-350 and heres how it is wired:
1. Under the metal strap on top of relay is a YELLOW wire from the bottom of relay housing.
2. The metal strap then wiggles down to this housing were the GREEN wire from the housing connects along with the BROWN (double wire) from your glow plug harness.
3. Now looking at the relay from drivers side (metal strap side) the RED wires from the housing and from the glow plug harness attach to the lower right bolt on top of relay.
4. The YELLOW (double wire) from glow plug harness connects to the upper right post.
5. The WHITE wire from the housing connects to the upper left post.
6. The BLACK wire from the housing connects to the engine head as your ground.
Hope this helps, if you have any other questions about this email me at ast@convault.com and I'll try to help you further.
1. Under the metal strap on top of relay is a YELLOW wire from the bottom of relay housing.
2. The metal strap then wiggles down to this housing were the GREEN wire from the housing connects along with the BROWN (double wire) from your glow plug harness.
3. Now looking at the relay from drivers side (metal strap side) the RED wires from the housing and from the glow plug harness attach to the lower right bolt on top of relay.
4. The YELLOW (double wire) from glow plug harness connects to the upper right post.
5. The WHITE wire from the housing connects to the upper left post.
6. The BLACK wire from the housing connects to the engine head as your ground.
Hope this helps, if you have any other questions about this email me at ast@convault.com and I'll try to help you further.
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