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Location of the ac/heater blower motor resiter on a 1991 chevy s10 pickup
1991 Chevrolet S10

Location of the ac/heater blower motor resiter on a 1991 chevy s10 pickup

(1991 Chevrolet S10)
well prior to a car alarm being installed, everything was working fineexcluding the winshield wipers. 3 days ago the car alarm was installed,when i went to vehicle unlock truck with car alarm remote worked fine. went to turn on ac it didnt come on at all turned blower motor switch from high to low nothing at all. also speedometer is not working.
Tags: chevrolet, s10
1 answer & 1 comment
Popular Answer
on September 23, 2018
Unfortunately - that IS about ALL those aftermarket alarm systems are good for!

Recommend returning to installer for inspection / evaluation.

Good luck!
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on September 23, 2018

The windshield wipers aren’t working due to a failed wiper motor *pulse board* .. Common problem for that vehicle.
General Diagnosis
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on September 23, 2018
Unfortunately - that IS about ALL those aftermarket alarm systems are good for!

Recommend returning to installer for inspection / evaluation.

Good luck!
Sign in to reply
on September 23, 2018

The windshield wipers aren’t working due to a failed wiper motor *pulse board* .. Common problem for that vehicle.

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