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SUVs Isuzu Trooper Isuzu Trooper Maintenance and Repair
313 messages, Last post on Nov 23, 2009 at 5:10 PM
You are in the Isuzu Trooper Forum. Your Hosts are steve_ & tidester
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Hey folks, new to the forums and am completely stumped and need some help. Sorry if my specific problem has been addressed before, I didn't find it. I got out of work a few days ago and my trooper wouldn't start. Here's a list: - no change in electrical systems when turning the key. This includes the normal warning light check, the radio lighting up or any other dashboard illumination. It's all off and dark - battery was taken to an auto parts store, and is good. - engine does not crank or try to crank (at least that I can hear) - also pretty sure that headlights do not work - all fuses/relays that I could find look okay I thought that maybe the ignition switch was bad, so I disconnected it and put a volt meter on the harness and I got voltage to the ignition switch. (not sure if it was enough/right amount) Figured switch was bad, so I got a new one from the dealership. The only one that they could get their hands on inside a week had a crack in the casing, but I tried it anyway. No luck. Here's what I'm guessing so far (one or more of the following): - new ignition switch is bad, needs to be replaced - faulty grounding somewhere (where are all the grounding locations, anyway?) makes circuit incomplete - starter harness?? some of the stuff I've read says this may contribute - some relay/fuse/fusable linkage somewhere has fried and I'm not aware of it -? something I haven't thought of Any and all help would be greatly appreciated, I feel a bit dead in the water and really don't want to have to tow this to a mechanic
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Replying to: bobparker (Jan 17, 2008 4:03 pm) As you are learning, electrical problems seem to top the list on any forum but maybe even more on the Isuzu's! I don't have your model truck, but.......... Very often the alternator is the culprit....when it goes bad it wreaks havoc on the rest of the system. Try just unhooking it and see if you get any different result. Cleaning the grounds is also another must do, and IIRC there is a fuse or link in the circuit in the eng. compt. Also, there may be a voltage regulator on the firewall, it depends on the model I believe, Under hood, center, rear engine area, mounted on upper firewall. I hope this helps. Good luck. |
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I have a '94 Trooper, original owner, 140+K miles. I've had 4+ starters and alternators, automatic trans, but all in all a pretty good car. But like a fool, I love it. I' ve had several local mechanics work on it, but have never really been satisfied. In all cases they made good on the work (the valve cover gasket job took two tries and a week and $600 to do right) Any way the brakes were done at the 60K service around 2000. So at 140K I'm thinking maybe time to check. Pulled the wheels and Holy cow, over half the pads left. But since I had the whells off I did the pads anyway.When I got to the left rear, the last one, the inboard pad was GONE and the rotor slightly scored. In taking off the caliper, the bottom bolt snapped,leaving about an inch and a half of the nonthreaded post in the outboard part of the pad frame. Now this 60K brake job was done at the dealer, remember? So calling around looking for the part Ifind out the two caliper mount bolts are different diameters! Well I guess dumb luck and a 50/50 chance let me get it right on all the other wheels. Not having the ability to replace the pad frame and bolts at the time I put it back together the way it was, figuring it worked for 80K miles, I'll do it next weekend. Well, then I get a high pitched squeak from that wheel at a crawl. So, I go to take that bolt out and it snaps again! Now I have the bolt head,an inch of thread and an inch of post in my hand and the rest of it in the frame. Meanwhile I'm driving the car, it stops fine and I'll get around to it soon. But what still gets me is that the problem started with the "dealer brake job" and that except for that right rear wheel,after stopping a 4400 pound car for 80K miles it didn't need a brake job ??? What kind of pads were those.
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Replying to: jhill04 (Jan 19, 2008 10:51 am) I am not a pro, but I do know from my own experience that the factory brake pads from Isuzu seem to give the best service life, and they also don't squeal or stick as I have also seen. When I bought my Trooper used, it had aftermarket pads. They had worn unevenly due to no reason I could find. I cleaned and lubed the caliper pins and knock on wood have had good results. For some reason,the design of the caliper has two different style pins, but I have never seen that before or since. They are some kind of dust seal (so I am told). The calipers are prone to getting sticky if you see much salt air or snow/mud/salty road conditions, so cleaning them up and/or replacing them seems to be common. Hope this helps. Good luck. |
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I have an after-market Pioneer DEH-P4800MP stereo deck, (2) after-market JVC front 6.5" speakers, and had (2) after-market Pioneer rear 5.25" speakers installed in my Trooper last night. Upon completion, things sounded great! Well... I got down the road a few feet and adjusted one bass setting and all the music stopped. My CD player was still working, however there was absolutely nothing coming from my speakers. My assumption is that I have blown a fuse. Can anyone help me locate the fuse so that I can check it? Thanks.
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Replying to: rck13str (Jan 29, 2008 5:52 am) 
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Hi, I have a 1994 trooperW/ac 4 dr It just started acting up by all the lights on the dash flashing and it does a clicking noise in the fuse box, the voltage goes up to 18 and just the other day it did it, then stalled out and it started right up agian and did it all again.When the defroster is put on it doesn't blow either Any help would be GREAT |
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| i have a 94 trooper and am having hard core electrical problems with it. I have a new battery and alternator. Still having lights on dash come on and dies sometimes. It is a 5 speed manual. Any ideas?? | |
I have a 2002 Trooper and I can't remove the spark plug boot. Help please. I don't want to break it by force.
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Why does my '02 Trooper "drink up" so much oil? I never see any oil leakage on the engine. How can I correct it. What type of oil do you suggest?
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