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  1. krbjmpr

    2012 Yukon Roof Rack Suggestions

    So, after using a silly cargo basket for a while, have decided to go a bit of different direction. Planning on removing sides, and shortening to 60" from 90ish.I hate the way the basket mounts to cross bars. Looks hokey, feels sketchy, though has proved to be quite secure. Only have about 75#...
  2. krbjmpr

    Dual Battery Build with Lithium

    Just received (12) LEV60F lfp cells. 75Ah, max 600A output, 180A continuous. Will be building LFP battery exclusive for start (8 cells, 4S2P) and another for chassis (4 cells). Big things, though. Going to make some mock cells to figure out packaging and placement for start battery at passenger...
  3. krbjmpr

    Time Delay Relay

    Anybody use time delay relays on their vehicles? Looking for a way to introduce a delay for Headlights turning on. Currently, headlights come on when I insert key and rotate to 'run'. Can see them 'pulse' as starter motor rotates. Want the headlights to remain off for maybe 5 seconds as...
  4. krbjmpr

    Rear AC alternative controls

    Making progress towards an electric compressor on rear AC. Most still on paper, though have compressor / condenser worked out. Compressor is variable speed based on ambient, interior, and setpoint temperatures. Setpoint temperature has output from controller for condenser fan and evaporator...
  5. krbjmpr

    GPS Data Source, HD Radio

    Working out a custom android head unit using a tiny / micro pc (like lenovo m600 w/ J3710). I know I can get gps nema stream using a USB dongle, and there are usb and serial adapters as well. But, our vehicles have gps already for onstar to use. Anybody figured out how to pull / intercept the...
  6. krbjmpr

    Planned Mods

    Victim is 2012 Yukon SLT... -Going to be adding a pwm box to alternator to better support LFP battery(s). Saw 15.2vdc on torque pro, last night. Had for a while, too busy to fuss with and is my Daily Abuser. -Add a pair of EcoFlow 12v 100Ah LFP batteries. Will be shoe horned for sure...
  7. krbjmpr

    OBD2 / CAN adapter

    I have gone through 3 OBDLink MX+ in 2 years. Last one they sent in January went sideways last night when leaving work. Basically, adapter loses ability to connect with tablet / phone and does not show OBD data. I suspect that system voltage (seen top out at 14.9vdc) is what is killing...
  8. krbjmpr

    Dead Battery while parked.

    Same 2012 Yukon, haven't gotten around to changing shocks yet... Needed to make a grocery run, and found battery was near dead. Gauges and such, incl headlights, came on but were dim. Battery has tested good as recent as 2 weeks ago, no issues there. Last time I drove was over a week. I know I...
  9. krbjmpr

    Air Shock Boots / Dust Covers Z55 RPO

    About to drop in a set of pads on rear brakes, noticed that the boots on the air shocks (Z55) have both torn. Looked at multiple diagrams, thought I had a part number but turned out was for front boot on the struts. Anybody have a part number for this boot / dust cover? Or maybe perhaps a pn...
  10. krbjmpr

    Air Comptrssor (Suspensio ) I Upgrade?

    2012 Yukon SLT, air ride is working, though compressor is running more often and longer. Been thinking about adding a 2nd air compressor just for having on board air for inflatables, tires, birthday candles (lots now), dusting, etc. Planning on making a tank / series of small tanks that will...
  11. krbjmpr

    Irritating Noise in Overhead Console

    Noticed a noise coming from the overhead console area, seemed to be independent of gear / speed / # passengers / cargo weight or amount. While changing Lear to Homelink, did some additional poking around. Found a couple potential culprits. There are a pair of anchors in the roof structure...
  12. krbjmpr

    2012 Yukon Homelink Upgrade and then some

    HomeLink module, as removed from 2013 Buick Enclave Overhead Console. Notice that on the Buick version, there are only 2 wires going to the 3 wire connector. My 2012 Yukon has 3 wires going to the Lear module. I am pretty sure that the middle (brown) wire is for the backlight. The Red and...
  13. krbjmpr

    Overhead Console power

    Mod: please put where should be if I chose incorrectly. 2012 Yukon SLT, bought a loaded Buick roof console off ebay. My console has Lear only, replacement has Homelink with 12-12-13 build date sticker. Plan is to swap buttons/ module as mentioned elsewhere.. $45 free shipping! It got me...

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