After changing started solenoid, ignition switch, motor will not shut off

Asked by Guru1TKYP Aug 29, 2019 at 11:17 AM about the Ford F-550 Super Duty

Question type: Maintenance & Repair

The truck is a 77 ford f750, Manual trans. 391 cid.

1 Answer

16,965

There's a cam on the ignition that moves a pinion that operates the switches , it may be off a tooth from when you replaced it , on some old vehicles the coil can be " back fed " through other circuits , like the amp meter , your experience may differ .

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