Majestic L6-4.0L (1990)
Control Module HVAC: All Technical Service Bulletins
A/C ECU, Water Temp Switch - Matched Pairs ID
82-28
A/C ECU and Water Temperature Switch Matched Pairs - Identification
MODEL All
DATE 4/92
ISSUE:
Air Conditioning ECU changes have resulted in mixed specification A/C components. Replacement parts must match the A/C harness.
ACTION:
The correct ECU can be identified by the wire colors at the water temperature switch.
Inspect the water temperature switch wires located on the left hand side of the A/C evaporator case and note the color of the wires.
Identify the correct replacement ECU or water temperature switch using the chart.
