Cruise Control
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Mountain Pass
Joined: Sep 2010
Posts: 237
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From: Wyoming
Cruise Control
So my dads cruise control sometimes it works sometimes it doesnt. Then sometimes when it is working it just shuts off for no apparent reason and then may or may not come back on. Anyone have any ideas? He is gonna be here next week so I was gonna see if I can get it fixed for him. Thanks!
New User
Joined: Aug 2014
Posts: 14
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From: Merrimack, NH
So my dads cruise control sometimes it works sometimes it doesnt. Then sometimes when it is working it just shuts off for no apparent reason and then may or may not come back on. Anyone have any ideas? He is gonna be here next week so I was gonna see if I can get it fixed for him. Thanks!
I picked up a switch from autozone. F4044. Cross-references to SW6350. Just don't use the fuseable link. The switch that comes with it is SW6349. Used an O2 sensor stub 3/8" socket to loosen the old and tighten the new one. Cruise worked like a charm ever since.
Later,
Jeff
More Turbo
Joined: Jul 2007
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From: Indiana
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Elder User
Joined: Mar 2011
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From: Ontario , Canada
No photo here sorry...but if you look at the master cylinder, on the bottom of it there are 2 sensors. The sensor you want is the one closest to the front of the truck.
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More Turbo
Joined: Jul 2007
Posts: 523
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From: Indiana
Brake pressure switch. I just went through this. Cruise would work then wouldn't. No codes. Never could get the thing to go into test mode even after I replaced the switch.
I picked up a switch from autozone. F4044. Cross-references to SW6350. Just don't use the fuseable link. The switch that comes with it is SW6349. Used an O2 sensor stub 3/8" socket to loosen the old and tighten the new one. Cruise worked like a charm ever since.
Later,
Jeff
I picked up a switch from autozone. F4044. Cross-references to SW6350. Just don't use the fuseable link. The switch that comes with it is SW6349. Used an O2 sensor stub 3/8" socket to loosen the old and tighten the new one. Cruise worked like a charm ever since.
Later,
Jeff
Freshman User
Joined: Nov 2014
Posts: 28
Likes: 0
From: Thunder Bay Ontario
Update
bought the switch had the code on my display. Service personnel argued that it wasn't the problem. Had them replace it yesterday (already had the switch)they reported code still present cruise not restored and that wiring was likely problem. I got in it and error code was gone. Took the truck out and engaged cruise for the first time in a few years after work today. The level of incompetence is remarkable. I also had them diagnose my clicking/tapping sound. They claimed possible fuel knock. I'm still convinced it's valve rockers. No more dealer taking it to diesel shop, where the guy has parts in stock and does the job fro 2/3 the cost. I've been a Ford guy for many years but my experience with this 6.4 is the last straw.
bought the switch had the code on my display. Service personnel argued that it wasn't the problem. Had them replace it yesterday (already had the switch)they reported code still present cruise not restored and that wiring was likely problem. I got in it and error code was gone. Took the truck out and engaged cruise for the first time in a few years after work today. The level of incompetence is remarkable. I also had them diagnose my clicking/tapping sound. They claimed possible fuel knock. I'm still convinced it's valve rockers. No more dealer taking it to diesel shop, where the guy has parts in stock and does the job fro 2/3 the cost. I've been a Ford guy for many years but my experience with this 6.4 is the last straw.
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