Mercury MerCruiser D2.8L D-Tronic Service Manual page 625

SERVICE MANUAL NUMBER 22
TEST DESCRIPTION
Verify continuity between the following:
Verify supply voltage from key switch terminal 15 with key ON. Measure:
DIAGNOSTIC HELP:
Verify the following:
•
Open or short in wiring between instrument panel and ECM.
•
Improper terminals or pins at the electrical box harness connectors or ECM.
•
Defective bulb.
•
Defective bulb socket.
•
Defective ECM.
Failure of the Glow Plug Lamp circuit does not influence engine performance.
90-860074--1 FEBRUARY 2002
ECM 68 PIN CONNECTOR
3
CURRENT (VOLTS)
12
GLOW PLUG BULB SOCKET WIRE AT
DASH PANEL
BLU/TAN
GLOW PLUG BULB SOCKET WIRE AT
DASH PANEL
PUR
EDI DIAGNOSIS
Page 5E-57