2003 escalade random drain.

Blckshdw

Moderator
Nov 20, 2011
10,680
Tampa Bay Area, FL
Yeah I'd say that could make a pretty big difference getting charged up. Hopefully that's all it was 🤞
 

littleblazer

Original poster
Member
Jul 6, 2014
9,265
Yeah I'd say that could make a pretty big difference getting charged up. Hopefully that's all it was 🤞
Biggest reason for the swap was it almost died after a drive. The truck always had voltage drop at idle even though every test under the sun said it was okay... alternator was definitely nearing the end of its service life.
 

littleblazer

Original poster
Member
Jul 6, 2014
9,265
So it was fine for like the last month. We got it back from the shop and parked it Friday. Not even a flicker yesterday... done.
 

mrrsm

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Oct 22, 2015
7,696
Tampa Bay Area
Gonna throw 'One More Hat Into This Ring' by suggesting that the Electric Seats may also come into play if any structural Stamped Steel Seat Framing sections Fracture or Collapse and then put *random* Crushing or Contact Pressure, Slicing actions or Shorting Wiring on the under-carriage Harnessing, Wire Bundles and on the Interior of Side Panel Switches or their Logic Boards contacts inside.

Unfortunately as this may become the Very Last Place to LOOK for the cause of this Trouble, the ONLY way to investigate much of this is to unwind the E-Torx Four Corners Fasteners, remove the Seat(s) and then REALLY examine everything underneath there... Up Close with a Bright Flashlight for ANY signs of Squashed Insulation or Disturbed GM OEM Taped sections demands a closer inspection.

The Electric Seats are one of those "Hot At All Times" places that gets subjected to an enormous amount of Physical & Dynamic Stressing and Strains. These are the places that have always escaped the imagination of GM Engineers in designing Under-Seat Harnessing in a manner that does not invite susceptibility to Parasitice Drain Problems.

The Basics for New Thread Readers:


Having any "Sketchy" Movement in your Electric Seat Slide Rack...?


@Mooseman 's [Solved!] Investigation of a "Stuck Electric Seat Switch" in His Saab causing a Nuisance Parasitic Drain:


And in this Example, a Shorted Wire inside the Driver's Side Door Hinges:

 
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