Saturday, June 11, 2011

Blower motor problem on 1996 Buick Park Avenue?

Location: Center rear of engine compartment see road map below

There's 2 relays one for the low and one high speed relay-No.8 is the low and high is no.9 -Check and test both

You will see alphabet B -- A---K .Above that there is relay number 8 and 9.Remove and check that relay.

If relay checked out fine and tested good.Then check the red and purple( bit pink looking) wire.
This both wire connects at high speed blower relay socket.Check continuity for both this wires.Any of the wire is got loose or shorting.

This wire connects to relay in central rear of engine compartment. it must be in the harness in in the control panel,
See image below to see wiring:--

Also check the blower motor resistor.The resistor wiring is shown in the diagram.Its dark blue wire going from resistor to high blower motor relay.

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Car no start:--