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Air brake stoplight switch

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Old Nov 15, 2018 | 09:46 PM
  #1  
Jeffrey Ferrell's Avatar
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Air brake stoplight switch

This part seems to be eluding most parts stores in my area. I have an 84 F800 with air brakes. I usually have to tell them its a F8000 to show my correct engine size (10.4 cat)
 
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Old Nov 16, 2018 | 12:28 AM
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Get the ID number from the original then look at this 13480 stop lamp switch application chart for it (#). I see two possibles. SW is the Motorcraft part number prefix.


 
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Old Nov 16, 2018 | 07:07 PM
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identify switch

Are you sure the switch in the picture is the brake light switch? Every truck I have seen has two connections (wires) . But I have never messed with any airbrake fords!!
 
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Old Nov 16, 2018 | 07:20 PM
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Go down to any truck place and get the Eaton replacement.
 
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Old Nov 16, 2018 | 08:24 PM
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Pic: 13480 at the outer left is the brake (stop) lamp switch.


 
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Old Nov 17, 2018 | 07:16 AM
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Maybe its my old eyes; I see one wire: If so that means its a ground going to a relay. New one on me in my
life time, Always been two wires one hot the other to lights. If thats the case with a jumper try grounding that
terminal see if lights come on. Or maybe a oil pressure sender for idiot light works on ground. In Bills picture #13480 sure looks like two wire terminals. I learned yrs ago tell those parts guys nothing just say I need air
stop light switch Not I need switch for a 1956 Ford = they all now are computer geeks. Note if you are sure
this is a ground terminal just go and buy a normal switch and ground one terminal and the other goes to where
ever that relay is .............................
 
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Old Nov 17, 2018 | 07:58 PM
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This is the only part that even comes close to matching what im looking for, and its not a ford part. It says its a brake pressure warning switch. Is it the same thing, as a brake light switch?
 
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Old Nov 17, 2018 | 08:13 PM
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NO it is closed until a certain pressure is reached then it opens thus shutting off the buzzer or warning light . Look closely at the picture number dummy supplied ; the stop light switch has two terminals
 
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Old Nov 17, 2018 | 08:20 PM
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The only switch on my pedal has a single terminal. The wire continues up into another terminal, but its not a switch. (Pictured above) Every light works except the brake light.
 
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Old Nov 17, 2018 | 08:34 PM
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I think i got it now. I found the switch. I was in the wrong part of the brake pedal assembly.
 
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