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2004 Pontiac Grand Prix heat or air won't work

Tiny
CHRIS HUBECK
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 77,000 MILES
All of a sudden I have no air or heat not even a fan motor is running.I have tried all levels of air and heat.
All speeds of fan are also not working. Is there one fuse for the whole climate control system.
Monday, July 12th, 2010 AT 4:47 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi Chris Hubeck, Welcome to 2carpros and TY for the donation

Check the HVAC fuse 10amp and the batt main 4 fuse 30amp if both fuses are good-Your probable causes here could be the HVAC control module or the blower motor control processor
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Monday, July 12th, 2010 AT 5:29 PM
Tiny
CHRIS HUBECK
  • MEMBER
  • 2 POSTS
Thanks it was the 10A fuse even though it looked fine when I replaced it all was OK. Thanks alot.
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Monday, July 12th, 2010 AT 6:16 PM

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