Rick's Free Auto Repair Advice

No start

Fix a No start on Ford trucks

The no start problem affects the Ford Excursion, F-Super Duty, and E-Vans with 7.3 Navistart Diesel 2000-03 vehicles listed above.

Ford says the no start problem is most likely an intermittent or poor connection at the glow plug control module (GPCM).

To check it out remove the green and black connectors at the GPCM module. Look for loose fit, pin pull-out, bent pins, or corrosion. If you see any of these issues, Ford has released replacement connectors to correct the problem. Ask for part #4C3Z-12B568-AA. The kit comes with a new connector and wires that splice in place of the old connector. This kit was originally designed for the 6,0 litre diesel so DO NOT FOLLOW THE WIRING INSTRUCTIONS INCLUDED WITH THE KIT!

Follow this wiring diagram instead:

Black Connector: Repair Harness Existing Wire Harness
BK/PK YE/GN
BK/OG BK/OG
PK/LG YE/BU
DB/WH YE/WH
RD (pin 9) RD
RD (pin 2) RD

Green Connector: Repair Harness Existing Wire Harness
RD/LG BN/GN
BK/OG BK/OG
WH/LG BN/BU
DG/WH BN/WH
WH/LG WH/LG (F-series), WH/VT (E-van)
VT/OG VT/OG
RD/LB BN/RD

 

© 2007 Rick Muscoplat

Posted on by Rick Muscoplat


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