Question about 1989 GMC Sierra

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Need diagram of wiring on distributor cap on 1989 gmc 2500

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 474 Answers

SOURCE: where do i get a FREE diagram of a 1985 gmc

believe it or not a lot of local libarys carry tech manuals. no garrentee but worth a shot

Posted on Sep 12, 2009

Testimonial: "what a dummy, i forgot about the library.. thanks...."

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ZJLimited
  • 17970 Answers

SOURCE: Where can I find the diagram for a 1992 GMC Sierra

The GMC 1500 Sierra have several engine sizes, hope this helped...

1992 GMC C 1500 P/U 2WD 4.3 liter V-6 VIN "Z"

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1992 GMC C 1500 P/U 2WD 5.0 liter V-8 VIN "H"

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1992 GMC C 1500 P/U 2WD 5.7 liter V-8 VIN "K"

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Good luck, and remember rated this. TY for using Fixya.

Posted on Mar 31, 2010

  • 524 Answers

SOURCE: Need 95 gmc jimmy vacuum diagram. I have a loose

THat goes to your map sensor. If you look very closely under your hood there will be a vac line diagram there

Posted on May 09, 2010

  • 834 Answers

SOURCE: I need the firing sequence on the 1994 GMC Sonoma

Here is the firing order diagrams for the 4.3 liter V-6 engine and the 2.2 liter 4 cylinder engine, and let me know if you need any help to understand these diagrams, or if you require any further assistance.

4.3 Liter V-6 Engine.


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2.2 Liter 4 cylinder engine.


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Posted on Oct 04, 2010

  • 834 Answers

SOURCE: we changed spark plugs &

Here is the firing order diagram for the 5.0 liter (305), 5.7 liter (350) and the 7.4 liter (454) V-8 engines (note position of locking latches/screws between the 3 and 6 and the 1 and 2 terminals on the distributor cap). Let me know if you need the 4.3 liter V-6 engine diagram (hopefully not in a 2500 series truck) or if you require any further assistance.




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Posted on Nov 29, 2010

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Mar 04, 2011 | 1989 GMC S-15 Jimmy

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We changed spark plugs & wires on our 1991 GMC & seem to have the order wrong on the distributor cap because truck won't start. need diagram


Here is the firing order diagram for the 5.0 liter (305), 5.7 liter (350) and the 7.4 liter (454) V-8 engines (note position of locking latches/screws between the 3 and 6 and the 1 and 2 terminals on the distributor cap). Let me know if you need the 4.3 liter V-6 engine diagram (hopefully not in a 2500 series truck) or if you require any further assistance.




zaraki_35.jpg

Nov 28, 2010 | 1991 GMC C2500

1 Answer

I need a diagram for spark plugs to distibuter cap for a 89 gmc suberban


For the 1989 GMC Suburban I do not know if you have the 5.7L or 7.4L, however both have the same firing order, cylinder layout and distributor layout:

Firing Order:
1-8-4-3-6-5-7-2

Cylinders:
.......(back)........
|..8..............7..|
|..6..............5..|
|..4..............3..|
|..2..............1..|
........(front)

Distributor Connections:
.....(back)
(+) 6.....5
3...............7
4...............2
.....8.....1 (+)
.....(front)
Rotation:
Clockwise

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

Aug 27, 2010 | 1989 GMC Suburban

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Need to see a diagram of the firing order for a 1989 gmc truck, need to see on the distributor what is #1 - #8


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http://www.fullsizechevy.com/showthread.php?320317-Quickie-Firing-Order-Question

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2 Answers

Need a wireing diagram for distributer on 1991 gmc 2500 sierra


I can help but I need to know what size of motor...and if it is a C1500/k15-2500/ Suburban....
please let me know and I can post a diagram for you.

Mar 15, 2009 | 1991 GMC Sierra

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