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1999 Chevy Astro heater blower

Tiny
RAYZ
  • MEMBER
  • 1999 CHEVROLET ASTRO
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 75,000 MILES
Blower runs cont. Ign. On or off. Must dis. Motor terminal to shut off. Also no speed controlsfrom inside
Sunday, March 9th, 2008 AT 5:54 PM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
I would check for after market wiring
check relay
check wiring
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Sunday, March 9th, 2008 AT 6:00 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Get the HVAC Control Module tested out this is where I forsee the problem.

Is it the front blower only? see below


https://www.2carpros.com/forum/automotive_pictures/12900_HVAC_1.jpg

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Sunday, March 9th, 2008 AT 6:06 PM

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