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 > Cruise control not engaging

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viajante

Plumas Lake, CA, (near Yuba City) USA

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Posted: 09/01/20 09:13pm Link  |  Quote  |  Print  |  Notify Moderator

Today I took the rig out and the cruise control would not engage. I have no idea where to start looking for a solution. All suggestions welcomed.
2008 Itasca Sunrise with Ford V10.


Dave & Brenda
Shadow (Sheltie), and Zoe (Shih Tzu)Faithful Companions
2008 Itasca Sunrise 35L


Vw triker

Millboro, va

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Posted: 09/02/20 12:00am Link  |  Quote  |  Print  |  Notify Moderator

Make sure the brake pedal is all the way up. I had the same problem, turned out the rv was low on brake fluid.

Bruce Brown

Northern NY

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Posted: 09/02/20 04:31am Link  |  Quote  |  Print  |  Notify Moderator

^^^ This. If not that check the brake switch itself. Also check for a blown fuse. It should be something simple.


There are 24 hours in every day - it all depends on how you choose to use them.
Bruce & Jill Brown
2008 Kountry Star Pusher 3910


wa8yxm

Wherever I happen to park

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Posted: 09/02/20 04:53am Link  |  Quote  |  Print  |  Notify Moderator

Start behind your rig.. Are the brake lights on?
Now there are a whole lot of possible problems but
when it happened to me (under warranty thank heaven)
it was a defective brake light switch. and thus the brake lights were on.

Why check this first? Only tools needed are your eyes. ANd perhaps a partner
Then you can move on to the more expensive tests.

NOTE also. you may have a partner hit the brakes and make sure the brake lights come on when they do so.. for if they do not THAT will also prevent it from working.

If Brake lights on : Defective brake light switch
If not: Burned out bulbs. Blown fuse. Wiring issue IE bad ground.

But the behaviour of the brake lights is the first test.


Home is where I park it.
Kenwood TS-2000 housed in a 2005 Damon Intruder 377


DrewE

Vermont

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Posted: 09/02/20 08:28am Link  |  Quote  |  Print  |  Notify Moderator

The Fords use a brake fluid pressure switch mounted to the master cylinder assembly to disengage the cruise control, and these are known to sometimes corrode and malfunction due to fluid seepage/leakage internally. There was (or is) a very broad recall on the issue, wherein a fuse was added to keep the switch from starting a fire if it shorts out. At any rate, a failure of that switch is a common cause of the cruise control not working.





RoyF

Fayetteville Arkansas

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Posted: 09/02/20 01:57pm Link  |  Quote  |  Print  |  Notify Moderator

This happened on my Chrysler automobile, but it might apply to a motorhome. The "check engine" light came on for short time then went out. After that, the cruise control would not engage.

Local mechanic found a brake sensor in the anti-skid system that was bad. Replacing the sensor fixed both the cruise control and the anti-skid system.

PastorCharlie

NC

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Posted: 09/02/20 03:44pm Link  |  Quote  |  Print  |  Notify Moderator

The "Clock Spring" also has part in the circuit. It can be found by pulling the steering wheel.

Lt46

Central Florida

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Posted: 09/04/20 06:37am Link  |  Quote  |  Print  |  Notify Moderator

DrewE described corrosion in the electrical and fuse connections at the master cylinder. I can confirm that. Last year my CC stopped working and it was suggested I check that fuse. Was I surprised to see the amount of corrosion present, no way an electrical signal was going to get through. With a small wire brush and electrical spray cleaner I was back up and running in no time. Best of luck.


Peter & Dawn
97 Winnebago Adventurer 37RW
F53/460 w/ tag axle
96 Prowler 27X SOLD
IAFF L-792 (Ret.)


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