TRACTOR PARTS Allis Chalmers Case & David Brown Farmall & International Ferguson Ford & New Holland John Deere Massey Ferguson Massey Harris Minneapolis Moline Oliver & Cockshutt Kubota / Yanmar

TRACTOR MANUALS

Allis Chalmers	Case	Farmall IH	Ford 8N,9N,2N	Ford
Ferguson	John Deere	Massey Ferguson	Minn. Moline	Oliver

Tractor Talk Discussion Forum

88 GMC 1500

Welcome Guest, Log in or Register

Author

tlak

10-31-2005 11:29:18

Report to Moderator

If I make several short runs it will not start without waiting a while. You would think if it was fuel it would do this continuios. It hasn't done this in he last couple months but was pretty regular before. Are there more filters by the injectors. Have changed the filter. Also seems electrical. 305 TBI Auto

[Log in to Reply] [No Email]

Keith-OR

10-31-2005 23:48:39

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

88 should be EFI, under hood on right side fire wall is a black plastic cover with couple of screws, in behind it is your relay for fuel pump and also a fuse. You might want to check these out. Also did you replace fuel filter along side frame on the left side ,almost directly under drivers seat. Just hope it isn't fuel pump,as it is in the tank. And to replace you have to drop the tank down from frame...Good luck

Keith

[Log in to Reply] [No Email]

deanop

10-31-2005 19:04:56

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

my quess either pickup module in distrib..or fuel pump..when you turn key on listen for fuel pump to run for two seconds...does it do this...you possibly could have blown fuse?, can't remember if ya said it happened all of a sudden...

[Log in to Reply] [No Email]

MarkB_MI

10-31-2005 16:45:49

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

Since your engine didn't start when you dumped gas down it, it must be ignition.

Several years ago, my 88 with the 350 started quitting at random times. It's no fun going down I-75 (average speed 85 mph) and have your engine conk out on you. I took it to a mechanic and he hooked a 'scope up to it and let it run until it quit. Four hours later it quit and he nailed the culprit: the pickup coil in the distributor had a broken lead, caused by corrosion. It would randomly break contact, killing the engine. Cheap part, but I would have never found it on my own.

[Log in to Reply] [No Email]

MichaelNEIowa

10-31-2005 15:31:57

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

My 98 GMC K2500 did a similar thing. Truck would stall out and quit running at very unpredictable times. Turned out to be the wiring harness from the ignition switch to the firewall. Apparently some point/contacts within get fried over time.

[Log in to Reply] [No Email]

dave from MN

10-31-2005 13:32:51

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

Ignition module. They either go out totally at once , or will give you trouble for months. It's cheap- replace it now before it stalls crossing a highway. It WILL go out again. If problem would happen to persist at least you have replaced the most likely culprit and the hardest to diagnose. Buddie of mine is GM mech for 18 years and he said that is the problem.

[Log in to Reply] [No Email]

Bryan in Iowa

10-31-2005 12:39:35

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

We're goona make you work a little ! Need more info . Loosing fuel , or spark ? Look at throttle body when cranking , see any fuel spray from injectors ? If not give it shot of carb spray. Does it take off and try to run ? Gonna need to check fuel pressure < exact pressure reading from gauge> Crackign line loose and seeing fuel run out don't cut it these days . Let us know what you find out, then we can pin it down for you .

[Log in to Reply] [No Email]

tlak

10-31-2005 14:15:20

Report to Moderator

Re: 88 GMC 1500 in reply to Bryan in Iowa , 10-31-2005 12:39:35

I have poured/sprayed gas in the last time. Still didn't start.

[Log in to Reply] [No Email]

bryan in Iowa

11-01-2005 05:52:18

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 14:15:20

Lets look into voltage at + terminal at coil while cranking ,,,also put test light on neg side ,,see if it pulses at all while cranking . If it doesn't , possible problem with module / pickup coil in dist . If it does ,,ignition coil is likely culpret . Keep us posted

[Log in to Reply] [No Email]

bryan in iowa

11-01-2005 05:54:35

Report to Moderator

Re: 88 GMC 1500 in reply to bryan in Iowa , 11-01-2005 05:52:18

Forgot to add ,,,if no or low voltage at coil while cranking , they had a habit of wire harness open or ignition switch contacts ,,,think it was on newer ones though , 90 on up .

[Log in to Reply] [No Email]

Keith-OR

11-01-2005 06:35:47

Report to Moderator

Re: 88 GMC 1500 in reply to bryan in iowa , 11-01-2005 05:54:35

bryan, 88 is when General Motors made their change in pick-ups. they had problems from 88 to early 90's..

[Log in to Reply] [No Email]

Allan in NE

10-31-2005 12:09:24

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

Hey Guy,

There were two places that they had a nasty habit of going south.

One, was that vent in the distributor pluggin' up, they would get hot and eat rotors, dist. caps and ignition modules.

Another problem with them was the little short 2" rubber hose that above the fuel pump, which attached it to the pickup tube in the tank. Fer some reason they would crack and suck air.

Allan

[Log in to Reply] [No Email]

tlak

10-31-2005 14:32:50

Report to Moderator

Re: 88 GMC 1500 in reply to Allan in NE, 10-31-2005 12:09:24

Where is the vent hole located?

[Log in to Reply] [No Email]

Allan in NE

10-31-2005 14:46:21

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 14:32:50

Tlak,

In the base plate on the passenger side under the rotor. You'll be able to tell if it has been heating if there is a lot of white residue in the cap.

Allan

[Log in to Reply] [No Email]

old

10-31-2005 11:59:52

Report to Moderator

Re: 88 GMC 1500 in reply to tlak, 10-31-2005 11:29:18

Theres a number of things that could cause that. One is the module in the dist. and or even the coil.

[Log in to Reply] [No Email]

[Options] [Printer Friendly] [Posting Help] [Return to Forum] [Log in to Reply]

TRACTOR PARTS	TRACTOR MANUALS

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

Home | Forums

Copyright © 1997-2023 Yesterday's Tractor Co.
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy