K5 Blazer 1969-1994
While this model ended its run, it is not uncommon to see them on the road or off, years after production end.
Platform: Truck, GMT 400

88 K5 will not turn over

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Old June 25th, 2013, 6:01 PM
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Default Update 5 years later

So 5 years later and back to work on this. was working on the body after a long break due to heart problems.

Sill will not run.

New Stuff inlast week.

Another fuel pump
another fuel filter
another Fuel Pump relay
Oil pressure switch
New spark plugs and wires
New Battery

Cleaned the injector filters.

When I bypass the fuel pump relay I get over 12v at the fuel pump assembly. Since it runs when I apply 12v directly to the pump I have ruled out the ground.

Any ideas ????
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