Glow Plugs Inoperative - Mercury MerCruiser D2.8L D-Tronic Service Manual

TROUBLESHOOTING
Engine Will Not Crank Over or Starter Inoperative
(continued)
7. Faulty neutral start safety switch
8. Starter solenoid
9. Starter motor
10. Engine mechanical malfunction

Glow Plugs Inoperative

1. Battery discharged
2. Circuit breaker tripped
3. Poor battery connections
4. Glow plug(s) defective (burned out)
5. Relay defective or inoperative
6. Pre-glow circuit of controller
7. ECT malfunction or inoperative
8. Ignition switch inoperative
9. Broken or disconnected wire in glow
Page 1C-10
Cause
Cause
inoperative
plug circuit
SERVICE MANUAL NUMBER 22
Special Information
7. Open circuit
Special Information
2. On dash or in electrical box
5. Check Main or Auxiliary Relay in
electrical box. Refer to SECTION 4C
and/or 5E for EDI Diagnosis
6. In electrical box
7. Refer to SECTION 5E for EDI
diagnosis
90-860074--1 FEBRUARY 2002