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Comanche won't run help!

894 views 5 replies 4 participants last post by  Comanchekid1k 
#1 ·
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 :confused:
 
#3 ·
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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