Operation CHARM: Car repair manuals for everyone.
Home >> Oldsmobile >> 1997 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Module HVAC >> Service and Repair >> HVAC Programmer
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

HVAC Programmer

HVAC Programmer:






Remove or Disconnect

1. Negative battery cable.
2. Right sound insulator.
3. Glove box.
4. Electrical connectors from programmer.
5. Retaining tabs from programmer.
6. Programmer.

Install or Connect

1. Programmer into retainer on bracket
2. Electrical connectors to programmer.
3. Glove Box.
4. Right sound insulator.
5. Negative battery cable.

Important
^ After the programmer has been replaced, the actuators need to be recalibrated for proper travel. The ignition must be cycled ON for 3 minutes to allow the programmer and the actuators to recalibrate for proper travel.
pro multis · About Operation CHARM