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Cruise control

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Old Feb 16, 2020 | 04:55 PM
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Sean Wilcox's Avatar
Sean Wilcox
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Cruise control

Hey so I have a 93 f-350 I have been steadily working the kinks out of this truck as I plan to have it for many years to come, recently my cruise control stoped working, I at this time thought that it was to to a small noise I noticed after doing some work on it when I pushed down the gas but I now think it’s due to the brake sensor, I noticed it didn’t have one and the hole is blocked up, I’m not sure if it still has the harness for it but I found a loose connector, and I’m not sure if it’s for this. The pictures show the master cylinder and the wire I found



 
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Old Feb 16, 2020 | 05:15 PM
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Right... Fires were started by that switch leaking ....

I installed Factory Cruise on my 93 and the MC didn't have a port for the Brake pressure switch so I just made a jumper for the connector and works fine. the switch is closed until Brake it pressed then it opens.

the brake pedal switch still kicks the Cruise off without the Brake pressure switch or you can dump it with the OFF button

I believe the colors on the connector that goes to that switch is Red/Wht and Wnt/Pink
 
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Old Feb 16, 2020 | 05:23 PM
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Originally Posted by lonewolf_
Right... Fires were started by that switch leaking ....

I installed Factory Cruise on my 93 and the MC didn't have a port for the Brake pressure switch so I just made a jumper for the connector and works fine. the switch is closed until Brake it pressed then it opens.

the brake pedal switch still kicks the Cruise off without the Brake pressure switch or you can dump it with the OFF button

I believe the colors on the connector that goes to that switch is Red/Wht and Wnt/Pink
ok so is that the connector that I would have to short, or is it something else
 
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Old Feb 16, 2020 | 05:42 PM
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what color wires are on that connector ?

The connector that I shorted on mine was down on the frame rail on the driver's side and I don't remember it being Round.
 
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Old Feb 16, 2020 | 05:46 PM
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the 93 didn't have switch on MC in the first place....



 
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Old Feb 16, 2020 | 05:56 PM
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Originally Posted by lonewolf_
the 93 didn't have switch on MC in the first place....


oh **** imma have to check that, I’m on vacation at the moment but once I’m back home I will short that out
 
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Old Feb 16, 2020 | 07:00 PM
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BTW I have posted the full Cruise control Diagnostics Guide here in other posts so you might track that down IF you need it too. <<=== MY BAD it was an Older guide I posted....

Here is for the 1993......

 
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Old Feb 17, 2020 | 10:25 AM
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another thing to remember too is that if the third brake light is not working, cruise control will not work either.
 
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