Hello RV community,So was about to leave on a trip and went around the corner with the coach only to find that the transmission would not shift. Checked the oil level and found it to be ok. For some reason decided to check under the coach to find that our dog decided to chew on the transmissions harness destroying 80% of the wires. I decided to splice the wires back together to see if this could get me to the shop but it didnt work. After splicing all the wires(Color Coded) the coach would not start.Obviously it had to do with what I did since it had started before. after checking everything i found no issues with the splices so I crossed the starter and fired up the coach. I had no choice as i was on the side of the road. My question is to all can the harness be spliced? I was reading that since it sends signals any change in the wires resistance can cause a problem. I drove the coach over to a shop in first gear since it was only a mile away and waiting to see what he says. Hes a friend and felt that they could be spliced. Does anyone have a wiring manual for a 2007 F53? Is the transmission a standalone harness or do i need to replace the entire harness? The shop is backed up and could take a week before he looks at it. If i could find a harness id replace the entire harness just in case. BTW the Tow/Haul light is now flashing and the speedometer no longer works. Im assuming its the computer coding out. Ford requires a special computer from what im being told to read the codes.Any help or advise would be greatly appreciated.

Sometimes after an incident, all codes have to be cleared and the memory reset before things work like they are supposed to work. Of course this assumes that your splices were all correct and the solder joints were all good.

Thanks didn't think about that. Unfortunately i was on the side of the road so no solder just crimped on butt connectors.I figured i would replace the harness if it was not too expensive.

It's unfortunate that you had to deal with it like that. I just never trusted crimp-on connectors, especially on electronics. Soldering the wires together and using heat shrink tubing as insulation will be a lot easier than changing a wiring harness.

A lot of functions the ECU sees and controls are impedance related. Cut and splice can cause resistance issues and malfunctions. Think I'd pony up for a new harness and muzzle the pup.

Also NO special computer to read the codes on your V10. Almost any code reader will work. To reset the codes, disconnect the battery for a while. Good luck!

Bad Dog = No Start and No shifting of Transmission

allbrandauto
Explorer
Oct 04, 2019
if it started before you spliced the wires you have a wire crossed I think with the right tech its a easy fix
Cubanredneck
Explorer
Oct 04, 2019
allbrandauto wrote:
I think a splice would work fine is the gear shift indicator digital is it saying its in park with more information I can help you

Not a digital display just a standard display and yes its in park. The motor home started and ran but wasn't shifting right. When I stopped on the side of the road was when i found that the harness had been chewed up. After repairing the harness the motor home would not start. The wires are color coded so I'm sure all the wires were correctly connected. After checking and rechecking I started the RV with a screwdriver across the starter. Drove it to a nearby shop since it did not want to shift.

At this point waiting to see what the tech states. I've been scouring the Internet for a new harness but only found that it was discontinued to call the dealer. Ford dealer down in Miami is horrible so waiting on a call back from my message to them yesterday.

Not a happy camper at the moment and not loving my dog either. I know someone stated rodents but it was clearly the dog. The entire harness was pulled from the retaining clips and unless the rats were giants I doubt it could have been them. Apparently my dog likes playing tug o war under the coach and this time she won.
allbrandauto
Explorer
Oct 03, 2019
I think a splice would work fine is the gear shift indicator digital is it saying its in park with more information I can help you
doxiemom11
Explorer II
Oct 03, 2019
Squirrels, mice and other rodents are known to be attracted to wiring and chew them. It was probably NOT the dog. If it was rodents, you should have coverage under your comprehensive coverage of your policy for repair of any damaged item. Not an unusual claim at all. Happens with vehicles all the time.
zigzagrv
Explorer
Oct 03, 2019
Also NO special computer to read the codes on your V10. Almost any code reader will work. To reset the codes, disconnect the battery for a while. Good luck!
SidecarFlip
Explorer III
Oct 03, 2019
A lot of functions the ECU sees and controls are impedance related. Cut and splice can cause resistance issues and malfunctions. Think I'd pony up for a new harness and muzzle the pup.
rgatijnet1
Explorer III
Oct 03, 2019
It's unfortunate that you had to deal with it like that. I just never trusted crimp-on connectors, especially on electronics. Soldering the wires together and using heat shrink tubing as insulation will be a lot easier than changing a wiring harness.
Cubanredneck
Explorer
Oct 03, 2019
Thanks didn't think about that. Unfortunately i was on the side of the road so no solder just crimped on butt connectors.I figured i would replace the harness if it was not too expensive.
rgatijnet1
Explorer III
Oct 03, 2019
Sometimes after an incident, all codes have to be cleared and the memory reset before things work like they are supposed to work. Of course this assumes that your splices were all correct and the solder joints were all good.

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