- #11 of 472
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rough runner in damp weather
by boots76
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Aug 31, 2006 (4:01 pm)
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98 s-10 100k miles did cap ,rotor, plugs ,wires,. after a good rain runs rough under load no power. mechanic thinks fuel pump ,say's computer read out low pressure. i think electrical. only in damp conditions does this happen after dries out ok. help
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- #12 of 472
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Re: rough runner in damp weather [boots76]
by repairdog
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Aug 31, 2006 (5:07 pm)
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Replying to: boots76 (Aug 31, 2006 4:01 pm)
Fuel pressure test should show 60psi at key on engine off and it should hold it (pump only comes for for 2 seconds) then about 54psi running. If only when damp could be a wet connector at the crank sensor under the front of the engine. Have you put a new fuel filter on (every 25k miles) under frame by drivers seat. The pumps do often fail around then and use Delco replacement about $300 part online at rockauto or gmpartsdirect but have to drop tank. Also how is the battery and alternator - is the gage reading about 14V running - don't like low voltage so if its failing and reading below 12 have them tested free at most stores in car.
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- #13 of 472
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1998 GMC Jimmy Dome Lights
by rockyday2000
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Sep 01, 2006 (5:57 am)
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Replying to: repairdog (Aug 31, 2006 5:07 pm)
I hope that someone out there might be able to help me troubleshoot a problem that I am having with my 1998 GMC Jimmy. The interior/dome lights will not turn on when the doors are opened on the vehicle, none of the doors being opened will trigger the lights to come on and I am at a loss as to what it might be. Has anyone out there had a similar problem?
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- #14 of 472
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Re: 1998 GMC Jimmy Dome Lights [rockyday2000]
by repairdog
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Sep 01, 2006 (7:52 am)
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Replying to: rockyday2000 (Sep 01, 2006 5:57 am)
On the dash switch there is an "override" button for the dome lights - see if that is depressed. If not switch could be bad or a fuse blown so pull the cover on the side by the open drivers door. Your manual tells you what all of them are.
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- #15 of 472
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1998 Chevy Blazer: turn signal problems
by pherpin
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Sep 05, 2006 (3:10 pm)
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Hopefully someone will be able to help with this problem. Recently my my 98 blazer started having problems. Whenever I am driving, I can hear the turn signal clicking, even though the turn signal is not on. Has anyone else had this problem?
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- #16 of 472
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Re: 1998 Chevy Blazer: turn signal problems [pherpin]
by repairdog
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Sep 06, 2006 (3:02 am)
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Replying to: pherpin (Sep 05, 2006 3:10 pm)
Sorry they have so search on multifunction switch - its in the steering column and may be shorting so you hear the flasher relay behind the glove box. Try replacing the relay thats clicking first - left side of glove box put your hand in there and gently bend the corner of the glove box down and it will drop open to access behind it.
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- #17 of 472
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Re: 1998 Chevy Blazer: turn signal problems [pherpin]
by e5husmc
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Sep 19, 2006 (9:27 am)
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Replying to: pherpin (Sep 05, 2006 3:10 pm)
I have a 98 Jimmy had the same problem. The problem is in the turn signal switch, small particles of metal (from the contact points) get mixed with the di-electric grease. You can either buy a new switch or remove the old switch and take it apart, clean-out the old grease then apply new di-electric grease. According to the repair manuals you have to pull the stearing wheel but I managed to remove steering column cover without removing the wheel just be careful.
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- #18 of 472
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Re: 1998 Chevy Blazer: turn signal problems [e5husmc]
by david565
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Sep 26, 2006 (2:20 pm)
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Replying to: e5husmc (Sep 19, 2006 9:27 am)
I have a 98 Blazer with the same problem. It started with the clicking behind the glove box, then the cruise control stopped working, and now the windshield wiper works only when it wants to. Does it sound like cleaning out the di-electric grease and replacing it will fix these problems, or do you think I need to get a new switch? Is replacing the grease complicated?
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- #19 of 472
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Dashboard Lights Out
by morgan13
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Sep 28, 2006 (4:49 am)
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I have a 98 Blazer, suddenly the speedometer/gauge lights, radio display light and compass/thermometer light are not working. Also, when I turn off the car and leave the headlight switch on, the audible notifier that your lights have been left on, does not make noise. I have tried the dimmer switch and is not helping...the light behind displaying what gear I am in, the tachometer and the 2WD indicator lights are the only ones that do work...any suggestions?
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- #20 of 472
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Re: Dashboard Lights Out [morgan13]
by blaze4x4
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Sep 28, 2006 (9:34 am)
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Replying to: morgan13 (Sep 28, 2006 4:49 am)
Sounds like a fuse. Open the drivers side door, and pull the panel off at the lower dash (push and turn knob). On the back side is a fuse map. Check for Inst pnl (instrument panel) and replace with the same size spade type fuse (should be spares attached to the cover).
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