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A new battery temp sensor was the first thing I put in and even tested it against the radiator to see if it worked. Thats the only time when I saw a 14.5v was with it on a hot wing of the aluminum radiator I put in. At start up its spike was all ways 15.9. No way the ECM could be running on a...

The batteries that were in the truck when I bought it were 3 years old and balanced. I changed them out anyway for new AGM's. No change. The Alternator looks pretty spotless new. The truck has evidence of a blown battery from the acid burns on the PS. Thats probably when it got the new Alt. The...

Thanks Bigpapa. I'll give pulling that brown/yellow off and see if it would work without an engine check light. Thats what I'm afraid of is pulling a code for a non working manifold heater. Theres no standing code with the power lead off the battery.

The problem I found on this rather new to me 06 is at start up, the voltage would flash to 15.9, then stay in the 15v range and then maybe settle in around 14.9. I did all the basic trouble shooting of cleaning and inspecting all the connections to no satisfaction. There was no imbalance between...

I'm going to say 80 percent of the time, the heavy 125 amp drain and hit on the Alternator is entirely EPA black smoke related. It does nothing but ware your heater componants into repair. I used my 01 for alot of plowing in upstate NY and the switch was rarely needed to turn the nam heater on...

Some 15 years ago, I had installed a push/pull switch on the dash of my old 01 for the manifold heater and loved it. Last year I sold it and bought this 06 and for the life of me can't remember how I did it. I think it may have run a relay on the battery feed but I dont remember what would be...