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Anonymous Posted on Feb 21, 2012

91 Ford Truck, 7.3IDI/ glow plug relay wiring diagram

Need wiring diagram for glow plug relay

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Sep 12, 2008

SOURCE: wiring diagram

i need the color codes wires

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Anonymous

  • 24 Answers
  • Posted on Dec 30, 2008

SOURCE: Ford Diesel glow plug relay goes out every year since 1993

Wow that sounds expensive for a relay. You didnt say what year it is and you thought it was a 7.3 powerstroke. Sounds like its a 6.0 powerstroke I could see that relay costing that many bones. If its a 7.3 liter you should be able to buy one them glow plug relays yourself and with a basic set of sockets change it yourself. You just need to unhook both ground wires on the batterys before you start. Should take like 30 mins max on a 7.3 liter. But a year and engine size would make it easier to help you.

cy schousboe

  • 2002 Answers
  • Posted on Oct 18, 2009

SOURCE: need wiring diagram for 1990 ford f-250 4x4

If you are looking for a complete wiring harness diagram then faxonautoliterature has the original Ford service manual for your truck which has complete diagrams in it. If you are looking for components to check then Haynes Diesel Engine Repair Manual, part # 10330 has good diagrams of components and terminals pinpointed for testing purposes as well as the specs for those tests and a good diagnostic section. Hope this helps.

toneman2121

toneman2121

  • 775 Answers
  • Posted on Mar 12, 2010

SOURCE: spark plug wire diagram for 91 ford f150 302

http://www.ford-trucks.com/forums/731055-plug-wire-diagram.html

Anonymous

  • 2926 Answers
  • Posted on Jul 24, 2010

SOURCE: Need diagram for spark plug wiring for 1997 Chevy

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Glow plug for diesels

year model? Engine size? I need a little more information than ford won't start when cold. I would guess either the glow plug relay or the actual glow plugs themselves are bad, but usually the glow plug relay, because if it were just one or two glow plugs it would start, but run like ****.
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Glow plug relay reading 0 with ohm meter. changed

Pick up a copy of Haynes Diesel Repair Manual, part # 10330. It has an extensive diagnostic and repair section for glow plugs in your truck, either 6.0 or 7.3. It's only $20 and well worth it. It has diagrams and wiring especially pins on the plug-ins. You should be able to get it at the auto parts store. Hope this helps.
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I have a 2003 gmc sierra duramax diesel and im in need of a glow plug diagram?

The diagram is simple each glow plug is connected in a series circuit like this -0-0-0-0-0-0-0 that's a in-line 6 for a V-8 it would look like this
[-0-0-0-0
[-0-0-0-0
and the plugs would be hooked up on the back then if you follow the wire to the glow plug relay you will find that the relay has four wires one to battery one to the glow plugs one to the ignition switch and one to ground in the box. If you want you can purchase a manual for 5.99 on-line. and it covers the three fuse-able links for this system and the new Glow plugs available for this truck here is the web page. http://www.wiring-diagram.com/?gclid=CMuAvJ3Ql58CFQZfagod0jpAxQ
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check fuel pump or relay,run scanner for trouble codes, some auto parts stores will do this for free
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glow plug wire harness under valve covers often deteriorates causing no glow plug heating. The connectors and wire terminals are available from Ford as a kit or individually. Do not replace the harness. $600!
Still need the fuse panel circuit? Look in owner manual.
glow plugs use a relay too.
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Ford Diesel glow plug relay goes out every year since 1993

The relay should cost about $35-45. A common Ford Starter relay can be used in place of the official glow plug relay. All that is required is a relay with terminals that have 5/16 or 3/8 terminals and can carry about 150-200 amps. When all 8 glow plugs turn on, it draws about 150 amps is all. There are two relays for the 7.3 diesel. One energizes the glow plugs and the other energizes a heating element in the air intake. That one is used to help eliminate white smoke while warming up and is turned on and off by the engine computer. It is usually only called for when the temperature is 20 degrees F or lower.
Otherwise only the glow plug relay works.
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Maybee there is a short in the wiring...Or try replacing the glow plugs and glow plug relay..
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