Why ? Does the blower work on high ? but no other speeds ! If it doesn't come on at any speed it's not the resistor . Does the vehicle have automatic climate control or manual ? Automatic doesn't have resistor , has a blower motor control processor . HVAC Blower Motor Circuit You need to test , not guess !
SOURCE: blower motor resister instalation, were & how
resistor block is on the heater box usually about even with the mirror...may be hard to see with manifold in the way.
SOURCE: ac/heater blower relay
Center Rear Of Engine Compartment, At Cowl
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SOURCE: how do i replace blower motor resister, where is
The blower resistor is under the hood on the passenger side right on top the a/c box that is bolted
to the firewall.
SOURCE: 1992 bonneville sse w/ac replaced blower motor +
You replaced the blower control module or the blower control panel on the dash? This has automatic temp control right?
SOURCE: replace headlight bulb on 2004 Pontiac Bonneville
Hi
Please check the links bellow regarding your query:-
http://www.ehow.com/how_4520919_replace-headlight-bulb-pontiac-bonneville.html
http://www.ehow.com/how_4507860_adjust-headlights-pontiac-bonneville.html
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The Hole under the passenger dash. Insert blower here: 
The Hole under the passenger dash. Insert blower here:
My new blower
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Tested the blower it was fine , just replaced in October, checked all fuses, the one under the seat was blown. Replaced it and it immediately blew again, key wasn't even ignition. Friendly mechanic told us it was the resistor/module.. yes it's auto air..
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