1991 Cadillac Brougham blower motor or relay

Tiny
COMEON
  • MEMBER
  • 1991 CADILLAC BROUGHAM
  • V8
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Blower motor will not turn on. Strong smell of hot electric in car, ran jumper wire from battery to blower motor and motor works. Is there a relay or thermocouple somewhere? And if so where
Thursday, January 28th, 2010 AT 1:52 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Try this first to see if any codes are stored for the HVAC. ENTERING SELF-DIAGNOSTICS 1. To enter diagnostic mode, turn ignition switch to ON position. Press OFF and WARMER buttons on control panel simultaneously. Hold buttons until all control panel segments illuminate. Ensure all segments illuminate. This indicates beginning of diagnostic readout. See Fig. 3. 2. After entering self-diagnostic mode, any trouble codes stored in computer memory will be displayed. If trouble codes are present, they will be displayed on control panel. Fig. 3: Self-Diagnostic Basic Operation Courtesy of GENERAL MOTORS CORP. CLEARING TROUBLE CODES Trouble codes can be cleared by entering self-diagnostic mode. Press OFF and LO buttons on control panel simultaneously and hold buttons until "00" appears. See Fig. 4. NOTE: If any control panel segments do not illuminate after entering self- diagnostics, replace control panel. The Power module is on the evap case under the hood.
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Thursday, January 28th, 2010 AT 2:13 PM

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