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1998 GMC Jimmy - Page 9 Questions & Answers
PROBLEMS WITH IGNITION SWITCH CAUSING PROBLEMS WITH MY SPEEDOMETER AS WELL AS MY TRANSMISSION
definitely sounds like timing after reading over your other posts. I had a pontiac die unexpectedly on me in the same way, but luckily i knew an expert mechanic who filled me in. Passing it on to you as the likely culprit. about 800 to pay someone to do it, or it is actually not hard to do yourself with a socket set, screwdriver, gear puller and a weekend. Did mine with absolutely no experience at all (I was 16) and it worked perfect afterwards.
98 GMC Jimmy 4x4
It wont be the front differential they would of engaged but it doesnt engage the 4hi and 4lo 4x4 motor or the switch is bad
Fuse box diagram
Make sure the ground is good, that truck was known for a bad connector near the Trannie cross member. Find your plug at fuel pump,4 wires..2 black, gray and purple. Black and purple are for the float. Gray is power to pump, black with yellow is ground for pump. When key is turned grey wire gets power check good ground . If power and grounds are good replace pump if not fix ground or replace relay
Instruments don't work, key stuck in ignition, doesn't shift correctly
Sounds like you need a new car.
With joking aside, the problem with your speedo, tach, gas guage, temp gauge and odometer can probably be one of two things. Check your fuses. If they are fine you may need to replace your cluster panel. I had to have the entire thing changed over my speedo not working right. It was not cheap. You might want to check the relay box under the hood. Does your transmission leak? Check the fuses and relay on it also. Get a new ignition switch and replace the old one if your key is stuck. You can try WD40 on that key but don't expect any miracles. The bearings are likely shot. Sorry I posted all of this bad news. Good luck.
I have a 98 Jimmy that when I try to start it the starter does not engage, I put a new battery in and it seemed to work for a couple of days and now it's back to the same problem. Any suggestions?
sounds like the starter is going, what happens is the battery had more power to help get the starter to operate a few more times but it is already shot. The part that will go on starters is the Bendix. It's the part that pushes the drive gear out to the front of the shaft to engage it with the flywheel. It's like a spring and plunger assembly with a magnetic part that pushes a fork on the gear while the key is turned and then springs back away from the flywheel once you let up on the key. You extra power from your new battery got it to push the gear out but was bound to fail since those parts were worn out. That's why you will hear the starter wizzing up but not engaging on the flywheel or you'll hear that grinding sound. that is due to the starter already turning the drive gear before the bendix has moved the gear forward. The gear is spinning and the bendix is stuck but then comes loose and tries to kick the spinning gear out and just grinds the flywheel without ever having the chance for the teeth to align first.
bottom line is you will need a new starter.
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