Question about 1997 Pontiac Bonneville
I have an SSEi with electronic climate control, and a blower resistor with a heat-synched resistor and two plugs going to it (one power, the other with three contacts). Currently, I have 21 Ohms resistance between power and the single top contact (with power plug to left), and an open circuit to the two lower contacts. Is this a normal reading, or can you show a schematic of this component please? Thank you!!
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Posted on Jan 02, 2017
I have the same problem. I've heard the ignition switch harness is shorting out and replacing the ignition switch ($75-$125 part) will fix it. A few torx drivers and sockets are needed to replace it (a 4mm hex socket works for the column covers, but the bolts holding the ignition switch in are even smaller. I have it apart down to where I need a smaller torx socket to continue.)
Posted on Nov 22, 2008
SOURCE: blower fan only works on high
CHECK THE HVAC CTRL FUSE.
WITH A TEST LIGHT CHECK THE BLOWER RESISTOR FOR POWER ON THE YELLOW, TAN, PURPLE, AND LIGHT BLUE WIRES. THE ORANGE WIRES CONTROL THE HIGH SPEED CIRCUIT. DO THIS FOR EACH POSITION OF THE BLOWER SWITCH.
THE BROWN WIRE ON THE HVAC CONTROL CONNECTOR 1 POSITION B COMES FROM THE HVAC FUSE 20 AMP. NO POWER ON THAT WIRE WILL CAUSE THE BLOWER TO NOT FUNCTION ON THE LOWER SPEEDS.
Posted on Jul 14, 2009
you need new blower module located at blower under hood, against the firewall under the relays it has four or five wires in it, and two bolts holding it in.
Posted on Sep 02, 2009
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