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1990 Chevrolet Suburban 2500 Question: What would cause engine failure, headlamp failure, when vehicle is put in revers

 

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jbowen81, Newtown Square, PA, January 30, 2013, 14:56
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We have already diagnosed the truck with starting fluid Ignition works but immediately quits. Incidentally no headlight power to the main switch? ODB port also has no power, I suspect it is through a power circuit short or relay problem but i also suspect the shifter itself, i tried finding neutral in it and turning motor but wont engage started. There seems to be excessive play in the shifter on the tree... 2-3" in park, i havent driven or worked on a chevy of its like since 2000 since then ive stuck to 1990-1993 fords with straight six's any inpuit would be appreciated

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