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I have century freightliner 2005 Detroit 60 14 L powered,

I have century freightliner...

I have century freightliner 2005 Detroit 60 14 L powered, when i purchase the truck my cruise control did not work and half of jack brack,i found one wire on cruise control switch was off, and when I put it back and I could not shift the gears on my smart shift transmission. It just beeped. I put new cruise control switch and new parking brakes and I put th me wires back but I still have the same problem but this time I removed one of those wires from brake light switch to be able to put in drive. Even the switch is brand new so something else is the problem. What am I doing wrong.

Mechanic's Assistant: What is the complete model and serial number of your machine?

Freightliner century S/T 2005,don't know serial nr.

Mechanic's Assistant: Anything else you want the equipment mechanic to know before I connect you?

No,only problem is that the cruise control is not working and half of the jack brake, but when the truck is parked the cruise control works and I can control my RPM. But when I'm driving my cruise control doesn't work and it's Makin me crazy because i think it's not serious but I can't figure out what it is. Thanks

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Answered in 1 hour by:
3/23/2018
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,828
Experience: Owner at DJ Wilson
Verified
Hi my name is***** will be glad to help. What fault codes do you have logged in the ECM memory What fault codes do you have logged in the ECM memory?
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Customer reply replied 3 months ago
i menage to check engin low positions sensor,and second time engine high positions sensor but i did replace both of does sensors month ago
Customer reply replied 3 months ago
i menage to catch, check engin low positions sensor,and second time engine high positions sensor but i did replace both of does sensors month ago
What you were going to want to check on the air manifold is your cruise and Brake pressure switches and if they are new be sure that the parts man did not give you the wrong switch. Because some switches are normally open and some are normally closed. This has been known to happen you can test the switches normally open or normally closed with your ohm meter for continuity. You can also test by using a jumper wire to open and close the circuit for testing purposes. If the switches test okay then you will want to test and inspect the wiring to be sure they are hooked up to the switches correctly as well. Check the clutch switch and see if there are any fault codes logged into the smart shift transmission that may cause an issue with your cruise control as well as engine fault codes. If you have speed sensor issues Cruise will be disabled as well. Let me know the results.. please remember to write my answers as that is how the site credits my time helping on the site. Five-star ratings in bonuses are always greatly appreciated.
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