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    Clive O
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    1994 K1500 Silverado Z71

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  1. I had that same concern, as I have mine very similar. Batt1+ via ACR to Batt2+, and Batt2- to engine block. Since the current sense is only on Batt1-, then when Batt1 needs charging it could potentially overcharge Batt2. But when Batt1 *is* charged/low loads, then Batt2 could be *undercharged* depending on its state of charge. So not ideal, but appears OK. Charge voltage at Batt2 starts off around 14.8-15.0, then will drop to ~14.0 after a short while. High voltage concerned me since I went for an AGM/deep cycle battery which dont like being over 14.6-14.8 for any length of time. Fingers x'd it'll be fine - plus I have a 3 year warranty :-)
  2. I can confirm 22989633 - here's it mounted in my 2017 Silverado
  3. Just replaced my standard factory DL8 mirrors on a 2017 Silverado LS with tow mirrors (DL3 equivalent). ebay had a very nice aftermarket mirror set for just under $200. Truck lacked the additional 3 wires in the door harness from door pillar connector (X500/X600) to the factory mirror connector behind the door panel, so had to run those three additional wires through the door - Turn, Front marker, Backup/Puddle. The new turn+marker LEDs were straightforward connections. GM appear to have two wiring options for the white 'backup'/'puddle' LEDs however:- 1. X500/X600 Pin 3:- circuit 5996 - "Rear View Mirror Puddle Lamp" / Mirror Courtesy Lamps 2. X500/X600 Pin 9:- circuit 1430 - "Exterior Courtesy Lamp" / Mirror Cargo Lamps Currently I wired to pin 3, so when I unlock AND IT'S DARK, the 'puddle lamps' illuminate. Handy, but I'd rather a little more control over them using the cargo lamp switch .... So I'm going to change it over to use pin 9. Will research the various mods that add diodes for additional lighting choices.... Here's the electrical info:- https://www.gmupfitter.com/files/media/photo/761/Sierra_Silverado_Electrical_Body_Builders_Manual_Service_Manual_2017_en_US.pdf
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