Premier L4-150 2.5L (1988)
Speedometer Module: All Technical Service Bulletins
Speedometer- Intermittent Operation
NO.: 08-58-90
GROUP:
ELECTRICAL
DATE:
Sept. 24, 1990
SUBJECT:
Intermittent Speedometer Operation
MODELS:
1988-90 Eagle Premier
SYMPTOM/CONDITION
Vehicle may experience an intermittent speedometer operation. This condition is caused by an inadequate speed sensor signal to the speedometer module
located in the instrument cluster.
PARTS REQUIRED
1
Speed Sensor Patch Harness
4604234
2
Tie Straps
6015756
1
Heat Shrink Tube
4419644
REPAIR PROCEDURE
1.
Disconnect the battery negative terminal.
2.
Remove the three nuts and two wiring connectors from the Engine Control Unit (ECU) and remove the ECU.
3.
Disconnect the eight way connector between the ECU wiring harness and the instrument panel wiring harness.
FIGURE 1
4.
Locate the round insulation retaining clip under the heater/air conditioner housing (Figure 1).
5.
Drill a 1/2 inch hole through the bulkhead one inch to the left of the round insulation retaining clip (Figure 1). Remove all metal burrs from around
the drilled hole.
