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My back up lights work intermittently on my E350 Van with the 5 speed Torque Shift transmisson I suspect it may be a loose wire or bad switch on the transmission.
I have no idea what to look for the switch or wire. Can someone tell me where to look for the switch on the transmission or have a photo.
I have a back up beeper on this van that is connected to the back up lights. The beeper works when the lights work.
I also have a reverse beeper that works intermittently. Though I have no idea if the reverse lights work or not. (Because I'm always driving).
I realize this post post may not be helpful to you but I'm dying to ask if your reverse beeper makes a faint ticking noise when it "doesn't work". Can't hear it from inside the van until you've heard it from outside (at which point your ears are "tuned in" for the sound). Even then it's hard to hear except quiet environments.
I have checked and cleaned the beeper connections a few a few times and no improvement. It just randomly works/doesn't work. Sometimes it will start/stop working during a backup.
Are you just relaying on the sound of the back-up alarm to tell if your lights are working??
If so, back-up alarms do fail after time, most I've gotten out of one was maybe 5-6 years, just replace it with a new unit.
To answer your real question, on the drivers side of the transmission, you'll find the Neutral Safety Switch / Range Sensor (NSS) that controls about what the name is........ The connector can be corroded or the wires.
If your having problems with the shifting, or the trans going into the correct gear, this would be caused by a bad NSS.
I am not relying on back up beeping. The beeping is sort of annoying. I discovered the lights were not working when I was trying to back into a dark camp site.
Does the neutral safety switch control the back up lights?
I am not relying on back up beeping. The beeping is sort of annoying. I discovered the lights were not working when I was trying to back into a dark camp site.
Does the neutral safety switch control the back up lights?
Yes, the gear selector "rotates" the NSS and the contacts inside the NSS feed back to the ECU and other sensors to what gear is selected, and when reverse is selected, the contacts energize the back up lights.
Most of the problems are the NSS itself, inside corrosion, burned contacts, The connector can become corroded, and in some cases, I've tapped off the correct wire for the back up lights, and ran a new wire back to tie into the back up light circuit.
Other problems to look for, sloppy shiftier on the steering column, there a "shiftier" tube that the bushing wears out, or the 4 screws holding the shiftier tube become loose, you'll notice this more with the shiftier indicator not sitting in the proper place on the dash, then the shift cable is not turning the NSS in the correct contact, the trans will shift into reverse, but the NSS will not be at the correct location, if you notice the picture, the mounting holes are somewhat large, to allow for adjustment on the mounting.
I think I over explained this........
The Back-up alarm is a good thing, it's needed on DOT vehicles, over 10,000 # and in my case, on job sites, it's required as a OSHA rule.
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