What. Makes ac blower relay keep going bad ie high speed connection. Getting hot and not working. ..

Asked by Jul 25, 2014 at 11:05 AM about the 1994 Chevrolet S-10 Blazer

Question type: Maintenance & Repair

Replaced resistor other speeds started.
Working replaced relay high worked. Then
stopped...after a week...

1 Answer

105,385

Excessive motor amperage draw on start up. I had a Buick doing the same thing, I went through 2 relays within a week, replaced the blower motor and problem went away.

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