I worked at a local place that sold RV trailers, installed truck
accessories and rented utility trailers. I argued with him numerous
times about inspecting trailers when they came back from rental to
ensure they were good to go next time. He wanted to not put out the
money until he knew he would have income from it. Once he took a
week off and we went through the trailers. The next bunch of rentals
went well as just hook up and verify lights. One vehicle the truck
wiring was screwed up. Anyway that business may go broke over the
winter due to passing off too many customers.

Dale Davies


We have been delayed yet another day. We are not scheduled to tow it
up until Thursday the 6th.


Dale, can you find something out about that Ram ProMaster 1500 stuck
in park problem? I'll send some pictures later this morning.

Paul Lamar

   Paul,

   Not sure if this applies to your stuck in park problem, but I have seen
   on several different makes of vehicle the inability to get out of park
   because the driver rarely set the parking brake which left the vehicles
   weight on the pin that locks the transmission in park. Eventually the
   hole gets elongated or ovalized and begins to stick. I've seen some
   where if you rocked the vehicle while someone tried to shift you could
   get it out and others that required a tow truck to pull the weight off
   the pin. It's generally more difficult if the vehicle is on a slope.

   Cheers

   Rob Brawley

   Thanks Rob.

   We tried that. No luck.

   This green lever supposedly gets you into reverse.

   Paul Lamar

   Looks like it could be related to the brake light switch. As per almost everything in new vehicles it works through the body control portion of the computer. For a while vehicles had a different computer for different functions; engine, transmission, heater/AC. Some had up to 10 computers.

   The brake switch is an input signal. The body computer turns on a relay for the brake lights and another to release a lock for the shifter. On some models they have had issues with the lock adjustment. Basically related to poor quality plastic crap. A few years ago they had an issue with the power steering return hose leaking on the Caravans and a Jeep model that was identical from the back of the front doors ahead. It would leak in the same piece of rubber hose every unit. The line had two rubber hose components.

   Why just the one I do not know. It was such a problem that parts were back ordered three months. Some people were on the Highway in the winter and drove home without power steering. Needless to say the pump was shot also. Our temporary repair was a single braid hydraulic hose with compression fittings to fit the steel tube.

   They found out the limit of cheap on that deal. They also had a lot of issues on pickup truck heater/AC systems. If one system you had to remove the console and change a stepper motor. All had numerous heater refresh to computer.
   Yours should still be on warrantee so should be free fix at the dealer. Bitch like hell as if they want your right hand!
   Dale Davies


   Highly likely as there were four wires on the brake light switch and we may have chosen
   the wrong cold one to wire the trailer brake controller. The trailer brake controller instructions spoke
   of only two.


   Thanks Dale.

   Paul Lamar

Could be the problem. Modifying any part of modern wiring is getting to be a problem. The Dodge pickups a few years ago had the brake controller wire hidden way up above the throttle peddle. The first one took me about half a day to find.
You do not tap into the wires at the brake switch very often now as it affects the computer.
Dale Davies


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