96 laredo 4.0 no start
Starter operates but no injector pulse or ignition and fuel pressure.
Igniton on ...no fuel and voltmeter movement, also no asd relay coil ground from pcm.
Pcm to asd relay circiut good.
Installed relay contact jumper (asd) no help.
Jumped fuel pump relay, plenty of pressure.
Tried another pcm from 98 model, no help.
Does any one know if the inpact sensors tie in thru the ccd buss to the pcm and inhibit grounding for the asd relay?
Igniton on ...no fuel and voltmeter movement, also no asd relay coil ground from pcm.
Pcm to asd relay circiut good.
Installed relay contact jumper (asd) no help.
Jumped fuel pump relay, plenty of pressure.
Tried another pcm from 98 model, no help.
Does any one know if the inpact sensors tie in thru the ccd buss to the pcm and inhibit grounding for the asd relay?
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