Clutch interlock safety switch?
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Clutch interlock safety switch?
New guy here....I am having trouble locating the CIS on my 1990 f250 4X4? I pulled the panel off under the steering wheel and shined a light up there and could not find any kind of switch...all is see it the arm, the bumpers for when it is pressed and when it comes back, and the spring that pulls it back...description of location or diagram? Thanks a bunch!
Cody
Cody
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You can jump the clutch switch and if it still won't start, pull the ignition switch off the top of the steering column and move it manually with a screwdriver. If it starts this way, I suspect your ignition acutator is broken and so it's not pressing the rod down far enough to activate the ignition switch all the way.
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New User
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You can jump the clutch switch and if it still won't start, pull the ignition switch off the top of the steering column and move it manually with a screwdriver. If it starts this way, I suspect your ignition acutator is broken and so it's not pressing the rod down far enough to activate the ignition switch all the way.
Post Fiend
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Lead Driver
Joined: Feb 2002
Posts: 7,957
Likes: 592
From: Greater Austin, Texas
Ford used a jumper on automatic transmission equipped trucks so that the wiring harness would be the same. If you can locate one of those, you just plug it in place of your clutch switch. Otherwise you gotta use a jumper wire as the linked thread suggests.
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