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Car Forum / Pontiac / Pontiac Cars / November 20051999 Bonneville Heater fan problems
Hi: My high speed on my heater switch does not work on my 1999 Bonneville . Has anyone had this problem? Low speeds seem to work fine. I believe this is probably simple problem, but I do not have any prints to go by. Thanks for any help: denkath Assuming that you have the manual HVAC system your high speed problem could be a blown 30 amp high speed fuse located in the fuse block (left center fuse block looking rearward) on the firewall in the engine compartment or a failed high speed relay, also mounted on the center of the firewall in the engine compartment (should be the fourth relay from the left looking toward rear of vehicle). A less likely cause could be the speed control switch on the dash. > Hi: My high speed on my heater switch does not work on my 1999 Bonneville > . Has anyone had this problem? Low speeds seem to work fine. I believe > this is probably simple problem, but I do not have any prints to go by. > Thanks for any help: denkath Hi: Just wanted to thank you! The fan high speed relay was bad! Great job! It is great to know help is out there when you need it!!! Thanks: Dennis > Assuming that you have the manual HVAC system your high speed problem > could be a blown 30 amp high speed fuse located in the fuse block (left [quoted text clipped - 9 lines] >> this is probably simple problem, but I do not have any prints to go by. >> Thanks for any help: denkath usually a blower resistor problem, on the blower case behind the glove, I believe. > Hi: My high speed on my heater switch does not work on my 1999 Bonneville > . Has anyone had this problem? Low speeds seem to work fine. I believe > this is probably simple problem, but I do not have any prints to go by. > Thanks for any help: denkath |
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