Ram Heavy Duty Forum

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Recent content by Dave97

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    Grid heater relay

    Upon further investigation under the hood I found that the dealer ran a “jumper” wire from the small 2 wire line into the relay on the passenger side around the firewall to the drivers side and tied into a main harness. Not really sure why they did this. It is almost like the trigger wire to...
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    Grid heater relay

    Update Took the truck to the dealer. They confirmed the CEL light. They ordered a new relay and wiring harness. My truck was already updated to the AB relay. That didn’t fix it. They ordered and replaced the ECU. That fixed it. I’m grateful it was covered under warranty for smog. The...
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    Grid heater relay

    Should this be covered under the powertrain warranty? It is also smog related as it won’t pass a smog test with a cel light on.
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    Grid heater relay

    Not really cold mid 40’s to 60 right now. I’ve done the 2 push. Even with the engine fully warm, go into a store for 5 min come out and withfoot on the brake, hit the button one and immediately the truck starts. Within about 15 sec I hear the error chime. Is the relay bad? Is the ecu...
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    Grid heater relay

    That is the cable I disconnected, the positive power cable from the battery
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    Grid heater relay

    2021 2500. Truck has 44,000 miles. Got cel 2509. I just replaced the batteries a few days before. It has the AB relay in it as the recall was done. The intake bolt does not have any play. I unhooked the relay as shown in this forum from the battery. I still get the cel. I have tried the 2...
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    Replacement battery

    Costco in California has interstate. Walmart has a agm ever start with a 4 yr free replacement. It appears to be make by Clarios.
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    Replacement battery

    21 Ram 2500 diesel. Who make the best battery now?
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