I am hopeful I can use a charge from my motor-home rather than the fuse switch. I don't like this concept because it takes away your door locking ability under tow. This eliminates pulling and reinstalling fuses. Curt sales a double fuse line with rocker switch which I installed. Is this accomplished by not using the six or seven way connector plug? Single wire direct connector of some sort?Ģ019 Buick Envision owners manual says to pull fuse 29 and 32 while towing. If I run a fused direct wire from my engine battery positive post do I connect it directly to my tow battery. I am not familiar with direct wire with fuse in lieu of a trickle charge from the RV 12 volt system. I would love to have additional information regarding battery charge under tow. When I did my Equinox no one had a unplug-and-insert wiring harness for the LED tail lights or I would have gone that route rather than cutting into the very small gauge wiring of the car. However, I suspect what they mean is that they already included the required diodes into their wiring harness and that would be great. If they are referring to the car's wiring I'd be leery. There simply is no way that Curt or any other third-party can be aware of all the subtle changes from model year to model year or even within a model year so it depends on what Curt really means by "system". If the right tail lamp has standing water, the water may migrate through the bulb connector wire strands, and may settle at the X350 connector, the X320 connector or BCM. This may be caused by water intrusion from the right side tail lamp due to a cracked or broken lens or housing. Everything is tied to the data bus somehow.Ĭhevy actually has a TSB for the 2018+ Equinox and Terrain where water accumulates in the right tail light and eventually causes a problem with the CAN bus wiring further upstream that prevents the car from starting or other problems: ConditionĪ customer may come in with a complaint of a no start, extended cranking time, a dead battery, a fuel pump that runs with key off, or a Service Safety Restraints message on the DIC. Cars today are not like the old days with discrete wires and switches. When power to the tail lights comes from the RV to the car it can also "travel backwards" from the tail light and back into the car's electrical system if there are no isolating diodes. The purpose of the diodes is to isolate the the two electrical systems, the car's and the RV's. Here is a recent thread on a person who had their Blue Ox baseplate fail on their 2018 Equinox while towing: You must use a diode kit instead, which is what I did. With the Premier, because it has LED lights and a redesigned taillight assembly, you cannot install the separate LED light. The Roadmaster also looked like a good choice. The braking system is the Demco Stay-IN-Play DUO. Once I ripped out the RVi TBC and went to just a straight charge line with a fuse I no longer had battery problems.īased on watching Etrailer videos for the baseplate I chose the Demco baseplate and use a Roadmaster Nighthawk tow bar. The Equinox draws almost 8 amps out of the battery when set up for towing. People have reported the LSL one as working OK. Rossboyer's description of the charge line is accurate but using the RVi Towed Battery Controller as the charge controller will not work with an Equinox. We've flat towed a 2020 Equinox Premier AWD with the 2.0L engine and the 9-speed transmission for two years. I used an Led kit from Roadmaster on our 3 Equinox toweds. PS: Most newer auto manufacturers (GM is one) state to not wire into the existing tail and brake lights due to feedback into towed’s system. He recommends using a charge controller vs using just a wired charge line to add safety to both vehicles. Dan’s is recognized as being one of the best installers. I don’t remember the manufacturer or part number, but if you call Dan’s Service Center in Elkhart, Indiana, they can tell you or supply one to you. The other method is similarly wired, but a charge controller is added to the circuit. We found that the small connection would collect sand and water which would short the +12 pin to the brake or tail lights and would not clear until the water dries out which takes 24-36 hours. That cable has larger conductors than the small round towed connection normally used. Via Amazon you can purchase a 7 pin to 7 pin cable to connect together. Suggest you use the big 7 pin connectors on the motor home and the towed. Also, a 20 amp breaker in the towed vehicle connected to battery and the +12 pin on the towed. One is to have a 20amp breaker in the motor home feeding a #12 or #10 wire to the +12 pin on the rear receptacle.
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