New recall?

[NIsaacs]

They advise you park outside for this, so that tells me it fails with the engine off and while parked.

How could that happen? For sure, the grid circuit is off? I would be more inclined to think it is because you have to start it to get out.

 

[dieselpowered]

I'm wondering if the relay can stay in the closed position when you park it, and continue to draw current from the battery and melt down.
I have disconnected the the positive lead from battery to the relay for now.

 

[AH64ID]

How could that happen? For sure, the grid circuit is off? I would be more inclined to think it is because you have to start it to get out.

The relay has a live feed all the time, and they are failing. It doesn't seem crazy at all for it to happen with the ignition off.

 

[Turbo Terry]

The too tall video show disconnecting the neutral connection at the passenger battery to the relay. Even though the relay is still hot current cannot flow and make heat etc. I think this is correct.

 

[NIsaacs]

The relay has a live feed all the time, and they are failing. It doesn't seem crazy at all for it to happen with the ignition off.

Yes, most relays have power in but it shouldn't have power out with the grid and ignition off. To me it does seem crazy, what am I missing? Is it shorting to ground because it is a junky relay?

 

[Turbo Terry]

I think junky relay and it’s burning up then catching on fire

 

[BigPapa]

I can tell you this, our buses, all 6.7L Cummins, use a totally different relay and there have been no issues or recalls.

I'd say it's the Ram relay, MAYBE the programming.

 

[AH64ID]

Yes, most relays have power in but it shouldn't have power out with the grid and ignition off. To me it does seem crazy, what am I missing? Is it shorting to ground because it is a junky relay?

If it wasn’t faulty there wouldn’t be a recall.

I don’t know if it’s shorting, or having some other internal failure that’s overheating and catching fire.

 

[Turbo Terry]

We need to collectively figure out the best way to disconnect this relay until parts are available . Might be some time to come

 

[Turbo Terry]

Maybe a battery disconnect something like this to put on the relay wire open hood to connect or disconnect as needed for colder weather

 

[Turbo Terry]

Like this one

 

[AH64ID]

We need to collectively figure out the best way to disconnect this relay until parts are available . Might be some time to come

It’s a single lead on the passenger side, nothing but a wrench is needed.

 

[Turbo Terry]

Ok good I will go over to my truck where it’s stored tomorrow and disconnect it off the passenger battery. I will sleep better not burning his house down thanks

 

[JPM]

my 2017 must have the good stuff

 

[CJ8Rockcrawler]

Like this one

View attachment 136533

I was thinking the same thing.

Does the relay work in conjunction with or in parallel to the 120 block heater cord?
What I'm wondering is if I disconnect the relay, could I still plug the truck in on really cold days until it is repaired?

 

[Turbo Terry]

I think it’s separate but don’t know that for sure

 

[Turbo Terry]

I’m in Alaska normal truck is in garage so it’s not issue anymore. They say to 0 f your good

 

[CJ8Rockcrawler]

I’m in Alaska normal truck is in garage so it’s not issue anymore. They say to 0 f your good

Right now the 3rd Gen is in the garage until this gets resolved. I'm in MN, so you might be warmer!

 

[AH64ID]

I was thinking the same thing.

Does the relay work in conjunction with or in parallel to the 120 block heater cord?
What I'm wondering is if I disconnect the relay, could I still plug the truck in on really cold days until it is repaired?

Completely separate systems. The relay is for the 12V grid heater.

 

[Turbo Terry]

Ok went over to 1.4 million dollar house where truck is stored during kitchen Re mod and disconnected grid heater relay off of hot leg of passenger side battery. 10 mm socket but there was two leads out. I figured it was the one on the right but disconnected them both for now. What does the left hand lead go to ? Anyway I will sleep better know it won’t catch on fire