Eldorado V8-300 4.9L (1991)
Manifold Air Temperature (MAT) Sensor: Technical Service Bulletins
Multi-Pin Connector - Intermittent Connection
NO.: 91-I-28
DATE: Jan. 1991
GROUP: 8 CORP. NO.: 018122R
SUBJECT: OPEN OR INTERMITTENT CONNECTIONS WITH METRI-PAK 150 PULL-TO-SEAT TERMINALS ON EARLY 1991 CADILLACS
Early 1991 C, D, E, K, and V model Cadillacs may experience open or intermittent connections wherever Metri-Pak 150 pull-to-seat terminals are used.
The following is a list of connectors that may be affected by this problem:
Carline
Connection Location
C/E/K/V
A/C Low Pressure Switch
C/E/K
A/C Low and High Side Temperature Sensors
C/E/K
Brake Fluid Level Switch
DN
Coolant Temperature Sensor
V
Door Lock Switch
V
Door Switch Illumination - Right Side
C/E/K/V
Engine Metal Temperature Switch
D
Electronic Spark Timing Module
D
Evaporator Inlet Temperature Sensor
C/D/E/K
Manifold Air Temperature Sensor
V
Memory Seat Switch - Left Side
V
Outside Air Temperature Sensor
V
Oil Level Switch
V
Power Steering Pressure Switch
C/D/E/K
Throttle Position Sensor
C
Under Hood Lamp
C/E/K
Vehicle Speed Sensor
C/E/K/V
Washer Fluid Level Switch
C = DeVille and Fleetwood; D = Brougham; E = Eldorado; K = Seville; V = Allante