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cruise control #760951
May 16th 2020 2:17 pm
May 16th 2020 2:17 pm
Joined: Mar 2020
Posts: 10
El Paso, Texas USA
Q
quadman Offline OP
stranger
quadman  Offline OP
stranger
Q
Joined: Mar 2020
Posts: 10
El Paso, Texas USA
I have a 1985 Dodge B250 with a 318 2bbl. It came with factory cruise control. The problem I am having is when I set the cruise at 60 I have to speed up to 70 to set it at 60. Any idea to the problem? Thanks in advance.

Re: cruise control [Re: quadman] #760952
May 16th 2020 2:42 pm
May 16th 2020 2:42 pm
Joined: Feb 2020
Posts: 35
Ransom, MN
captainchrysler Offline
newbie
captainchrysler  Offline
newbie
Joined: Feb 2020
Posts: 35
Ransom, MN
There is an adjustment for that on the servo. There is a very tiny allen headed screw right next to the two wire connector that controls the lag (speed sensitivity) for the unit. I don't have a FSM in front of me but that will tell you what direction to turn it to tighten that up. I do remember that it is very sensitive, recommended to only turn it 1/8 of a turn at a time!

Re: cruise control [Re: quadman] #760953
May 16th 2020 2:42 pm
May 16th 2020 2:42 pm
Joined: Nov 2013
Posts: 1,437
West Texas
W
Wedgy Offline
old hand
Wedgy  Offline
old hand
W
Joined: Nov 2013
Posts: 1,437
West Texas
Hi Jim,

The CC has a vacuum motor that controls the throttle cable to the carb. Maybe a vacuum leak, bad diaphram, or a cable linkage, or set linkage adjusted? The CC unit uses vacuum to control the linkage once set. You should check the vacuum connections and cables, linkages to start with. My CC is nonop, my set switch on mine is bad. Good Wrenching!

Re: cruise control [Re: Wedgy] #760956
May 16th 2020 3:13 pm
May 16th 2020 3:13 pm
Joined: Mar 2020
Posts: 10
El Paso, Texas USA
Q
quadman Offline OP
stranger
quadman  Offline OP
stranger
Q
Joined: Mar 2020
Posts: 10
El Paso, Texas USA
Thanks Wedgy. I'll check it out. How's things in Lubbock?

Re: cruise control [Re: captainchrysler] #760957
May 16th 2020 3:15 pm
May 16th 2020 3:15 pm
Joined: Mar 2020
Posts: 10
El Paso, Texas USA
Q
quadman Offline OP
stranger
quadman  Offline OP
stranger
Q
Joined: Mar 2020
Posts: 10
El Paso, Texas USA
Thanks. I'll check it out.


Moderated by  Astro, Ram4ever 

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