Just purchased a 2019 Silverado 2500HD. I'm looking to add the auxiliary battery. I've seen other 2500's with the factory aux battery, P4B option I believe. Would like to get a parts list and diagram for this if possible. Thx!
Ok, I'm gettin' close to 100K on my 2500HD, looking to change the plugs and wires. Current plugs are iridium, 41-985. I had the local dealer say that they recommend using platinum plug since there have been issues with the iridiums. Anyone know about any issues with the Ir plugs? I'd like to put the same plugs back in, truck been running like a champ since new. I believe the 41-985s were superceded with 41-110. I checked the plugs and they look pretty good, no gunk or anything.
Ok, gotta question. I'm looking to replace the plugs and wires in my 06 2500hd 6.0L. Looking up the part number for the stock Delco plugs gives me a part number of 41-962, which are double platinum plugs. I thought these truck came with iridium plugs? Or am I wrong? Which one should I use?
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