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

Need wiring diagram for glow plug relay

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: wiring diagram

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Posted on Sep 12, 2008

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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.

Posted on Dec 30, 2008

  • 2002 Answers

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.

Posted on Oct 18, 2009

toneman2121
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Posted on Mar 12, 2010

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SOURCE: Need diagram for spark plug wiring for 1997 Chevy

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Posted on Jul 24, 2010

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1 Answer

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 ****.

Nov 27, 2011 | Ford F-150 Cars & Trucks

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When the glow plug light comes on the truck fires up every time, when u turn the key on and the light isnt on it just makes a clicking noise at the relay by the passenger side battery


The old 7.3 diesel motors are great when they run, their biggest fault is in the glow plug control relay (passenger side fender well), wiring for the glow plugs (harness) and the glow plugs themselves. If you are sure of wiring harness and the plugs, the relay would be the place to start. Hope this helps, and if you have any more questions please let me know.
Thanks,
Joey

Sep 04, 2010 | 1985 Ford F350

1 Answer

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.

May 25, 2010 | 1991 Ford F250

1 Answer

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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1 Answer

Glow plugs


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.

Jan 19, 2009 | 1989 Ford F 350

2 Answers

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.

Dec 30, 2008 | 2001 Ford F350 Super Duty SuperCab

1 Answer

Diesel truck will not start


Maybee there is a short in the wiring...Or try replacing the glow plugs and glow plug relay..

Dec 07, 2008 | 1989 Ford F 350

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Wiring Diagram for 2005 Ford Ranger XLT


I have wiring diagram. Respond with your email address or fax number and I will sent it to you.

Sep 18, 2008 | 2005 Ford Ranger

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