Question about 1989 GMC S-15 Jimmy

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I need a fuse box diagram for a 1989 GMC Jimmy S-15 4.6 engine.

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1 Answer

What is proper ignition timing adjustment for 1989 GMC S-15

the correct timing will be 12 degrees before TDC. It can be adjusted to 10 degrees but not over 12.

Sep 11, 2014 | 1989 GMC S-15 Jimmy

1 Answer

I have an 89 GMC S-15 Jimmy and can not locate the ECM. Could you please help?

It is behind glove box,or under the air filter box,under the hood.

Oct 02, 2013 | 1989 GMC S-15 Jimmy

1 Answer

How do I change idle speed on a 1989 S-15 Jimmy w/4.3

computer controls engine idle thru a idle air control valve, air control valve could be dirty or bad, recomend to clean valve and clean throttle body bore with cleaner and see if idle inproves

Sep 03, 2012 | 1989 GMC S-15 Jimmy

1 Answer

I need a fuse box diagram for a 1987 gmc jimmy s15 2.8 engine

you can get a wiring diagram from the chilton repair manuals.FYI they are free through any public library online

Mar 05, 2012 | 1989 GMC S-15 Jimmy

1 Answer

1989 gmc 15 truck engine trun but wont start i replaced the fuel pump and it still wont pump fuel i can't find a fuel pump fuse the fuel pump relay is good.

check you owners manual for a fuel shut off switch. they are only supposed to cut out in an accident but mine does it sometimes anyway. different car

May 06, 2011 | 1989 GMC S-15 Jimmy

1 Answer

Where is the fuse box in a 1989 GMC S-15 Jimmy?

under dash by e.brake....hope this helps

Nov 15, 2010 | 1989 GMC S-15 Jimmy

1 Answer

Looking for diagram of the fuse box for a 1984 gmc s15 pickup so i can figure out what fuse is for the taillights

dont realy need aq digram, open fuse box check each fuse with a test lamp when you get to the one that does not vlighht up chan ge it. berrydalewolf

Oct 29, 2009 | 1984 GMC S-15 Jimmy

1 Answer

I need a diagram of the fuse box for a 91 full size gmc jimmy.

sorry no such diagram here, to old, u can buy a used owners manual at link below.

Oct 07, 2009 | 1991 GMC S-15 Jimmy

1 Answer

1989 gmc jimmy s-15 idles high on start then idle lowers once running while foot is on gas runs fine as soon as i take my foot off gas runs ruff and then check gauges light comes on

best thing to do is go to a big parts store and have them scan error codes usually they do for free and they can help find whats wrong u find how to repair, a chiltons manual for around $25 can help u with many repairs with diagrams and step by step help, also u can call several parts stores ahead of time and ask if they do free scans

Jul 08, 2009 | 1989 GMC S-15 Jimmy

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