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Hello there, I have been in the automotive industry since 1960 and licensed in 1966. I have a problem that I cannot seem to find an answer to hope someone has been through this before. I have a class A motorhome 1992 with all ford powertrain, 460 cu.in. that I for some reason cannot get to start. I have no signal from the computer to the fuel pump relay to turn on the pump. If I manually power it up there is 40 psi at the rail and no spark at all. I have replaced the coil, ignition module and the distributer pick with no change at all. I have checked for voltage live and ignition on at all of the connectors and for grounds, fuses, fuseable links, all good. I do not have a signal from the computer to the fuel pump relay trigger wire. I for some reason keep drawing a blank for some reason, I retired 3 years ago and my motorhome has not started in over a year I would like to use it before the summer is over. Can anyone help.
Sadly not many Members visit the New Member intro thread, I'd suggest that you
post this in the Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) thread https://www.ford-trucks.com/forums/forum53/
And, while your waiting on replies, take the sites user friendly ' Search ' feature for a spin
as the massive archives run deep