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Unread 12-31-2012, 07:37 PM   #1
M1doesmytalking
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1992 YJ Wrangler 
 
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Comanche won't run help!

Jeep comanche has no fuel or spark the truck shut off when I switched the heater from defrost to bi level the truck just shut off and would not start again. Things to add the headlights won't turn on the turn signals won't work not brake lights are not working. The dash lights come on but the engine just cranks but won't fire all fuses are good an i tried another computer. No change. It's a 1988 4x4 sportruck 4.0l 5 speed manual

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Unread 01-01-2013, 05:58 AM   #2
cruiser54
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1990 MJ Comanche 
 
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Location: Prescott, Arizona
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Sounds like bad battery cable connections to me. Or, a failed battery. Back to basics.
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Unread 01-01-2013, 06:35 PM   #3
93sasrunner
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motor turns over good battery is not the problem dash gets power but will not spark and fuel pump will not pressure the rail., fried dash harness? any suggestions will help its his DD and he has to drive my 4runner to work till its up and running. HELP main fuses hiding somewhere that we cant fid or something weird?
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Unread 01-01-2013, 08:21 PM   #4
cruiser54
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Quote:
Originally Posted by 93sasrunner View Post
motor turns over good battery is not the problem dash gets power but will not spark and fuel pump will not pressure the rail., fried dash harness? any suggestions will help its his DD and he has to drive my 4runner to work till its up and running. HELP main fuses hiding somewhere that we cant fid or something weird?
Are you like major hijacking or what?
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Quote:
Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
Refresh*Connections*Before*Replacing*Components
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Unread 01-08-2013, 02:44 AM   #5
M1doesmytalking
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bump still nothing im thinking im just gonna have to pull the dash harness
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Unread 01-08-2013, 08:43 PM   #6
Comanchekid1k
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Quote:
Originally Posted by 93sasrunner View Post
motor turns over good battery is not the problem dash gets power but will not spark and fuel pump will not pressure the rail., fried dash harness? any suggestions will help its his DD and he has to drive my 4runner to work till its up and running. HELP main fuses hiding somewhere that we cant fid or something weird?
maybe its multiple problems that happened at once. One problem is it sounds like the fuel pump died, or the fuel filter is clogged up?
also maybe the ignition coil needs to be replaced?
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