Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1999LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYDESCRIPTION AND OPERATIONCONTROL ASSEMBLY DESCRIPTION: C60
1999 Chevrolet Lumina V6-3.8L VIN K
Control Assembly Description: C60
1999 Chevrolet Lumina V6-3.8L VIN KSECTION Control Assembly Description: C60
Control Assembly Description (C60):
The knobs on the control head (7) control the operation of the A/C system. The compressor clutch and the blower connect electrically to the control head by a wiring harness. Off (2) is on the blower switch. Cooled and dehumidified air is available in the Max (9), A/C (10), Bi-level (11), Defog (8) and Defrost (15) modes.
The rotary temperature knob (1) controls the temperature valve through a potentiometer in the control and electric motor attached to the heater module. A rotary knob (9), which sends the appropriate electrical signal to the five solenoid valves that control the flow of the vacuum on the various vacuum valve positioning actuators, controls the modes of operation. A rotary knob, located on the control head (7), control the following blower speeds in all modes:
^ Off (2)
^ Low (3)
^ Medium 1 (4)
^ Medium 2 (5)
^ High (6)
The temperature valve position is independent of mode selection.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.