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#1
02-26-2005, 02:28 PM
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1998 Jimmy - 4WD selector switch - no lights
I have 1998 Jimmy that refuses to engage the 4wd.
The 2HI 4HI/4LO slector switch looks like it does not have power (no light). All fuses check out fine (not blown) I pulled the battery and the vaccuum accuator checks out fine. What a stupid place to locate a sensitive device (under the battery and all that corrosion) Since the battery was out - that covers the resetting of the computer Does anyone know how/where the switch gets it power? I'm assuming a control module somewhere. Thanks 
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#2
02-27-2005, 04:35 PM
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Re: 1998 Jimmy - 4WD selector switch - no lights
The switch bulb could be just blown.
Do you hear any noises when you try to engage 4x4?
__________________
1995 Factory Blazer Service Manual for sale, PM if interested.
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#3
02-27-2005, 08:45 PM
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Nothing discernible (noise) as if something was trying to engage or disengage.
The 2HI/4HI/4LO words illuminate when the lights are turned on at night. Are the words and 4WD indicator drvien by a seperate relay or the same relay?  I tried to pull the 4WD swtich panel but the cable (wiring harness) was to short to allow me to see the back of the panel. What a pain!  Looks like I'll try the TCCM replacement next.
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CD Last edited by CDJimmy; 03-01-2005 at 12:31 PM.
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