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Cant find relay or fuse for blower motor...1991 chevy astro van

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This is common the fuse is located in the fuse box but the common problem with these is the blower resisitor, this is located next to the blower and is screwed into heater box, a quick test is to check for power and ground to blower first and check fuses located under the dash on the driverside. also check under the hood in the engine compartment for another fuse/relay box hope this helps.

Posted on Nov 08, 2010

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  • pgogins Nov 09, 2010

    1991 chevy astro van.....i have voltage at the blower as long as the cooling a/c is on, but as soon as i switch to heater. i loose voltage at the blower.

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