OnStar removal
Racer
Joined: May 1999
Posts: 354
Likes: 9
From: Austin Tx
Per my stereo install experience this weekend, it seems that when you remove the Onstar box, the computer goes nuts. It must be a pass-through path for the body-link network.
So, while my stereo worked great, I couldn't start the car...
It's a small / lightweight box, so you won't gain much by trying to remove it...
So, while my stereo worked great, I couldn't start the car...
It's a small / lightweight box, so you won't gain much by trying to remove it...
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Burning Brakes
Joined: Sep 2005
Posts: 1,066
Likes: 0
From: Canonsburg home of Yenko Chevy (gone but not forgotten) Western PA
Drifting
Joined: Dec 2004
Posts: 1,518
Likes: 1
Team Owner
Joined: Feb 2001
Posts: 27,254
Likes: 136
From: Short Hills, NJ
On Star only helps in a stolen vehicle situation if it's reported right away (before the perpetrators can disable it that is), I sometimes don't see my C6 for weeks on end so On Star might not help all at all times in that regard.
Team Owner
Joined: Feb 2001
Posts: 27,254
Likes: 136
From: Short Hills, NJ
Did you weigh it at all, it looks like it could be a couple of pounds or so but maybe not.
Racer
Joined: May 1999
Posts: 354
Likes: 9
From: Austin Tx
The XM box and the OnStar box combined can't weigh more than 5 pounds. There just isn't much to them.
As for making a harness to remove them, I'm pretty sure you are in the minority. You can order a car without them, but all cars come with a radio. And I expect FAR more people want to replace their stereo with something else than care about removing the OnStar. The only reason I tried was that I wanted to mount an amp in that spot. And heck, I didn't even realize it was OnStar I was trying to remove until the car wouldn't start.
You probably could unplug the antenna wire to the box without upsetting the car's computer, and that would pretty effectively (although not completely) disable it.
As for making a harness to remove them, I'm pretty sure you are in the minority. You can order a car without them, but all cars come with a radio. And I expect FAR more people want to replace their stereo with something else than care about removing the OnStar. The only reason I tried was that I wanted to mount an amp in that spot. And heck, I didn't even realize it was OnStar I was trying to remove until the car wouldn't start.
You probably could unplug the antenna wire to the box without upsetting the car's computer, and that would pretty effectively (although not completely) disable it.
Drifting
Joined: Jul 2006
Posts: 1,492
Likes: 7
From: WA
OnStar is EASY to disable....
a) Remove the one and only fuse for OnStar
b) At the back of your car, open the right rear storage compartment, the OnStar module is in there, you might have to pry up the carpet to get at the VCIM (OnStar Module).
c) UNPLUG connectors J1, J2 & J3 ...and UNPLUG the 2 antenna connections. One antenna is for OnStar's GPS signal. (If you have a 3LT car w/NAV, don't worry, the NAV has it's own GPS antenna!) The second antenna is OnStar's Cellular Phone Antenna.
d) The 4th connector, J4, is part of your car's Computer Network Data Bus. LEAVE that connector alone! If you unplug J4, your engine will not start. If you REALLY want the OnStar module out of your car THAT bad, you NEED to install a termination resistance! The "easiest solution" is to just leave the OnStar module in the car with J4 connected! The OnStar module will be TOTALLY DEAD!!
If you EVER plan on reselling your C6, just leave the OnStar module in place and re-connect the connections your previously disconnected, PRESTO, OnStar is re-enabled again.
For even more detailed information about disabling OnStar, visit:
http://www.digitalcorvettes.com/foru...ad.php?t=84434
Last edited by Dbl6gun; Apr 17, 2008 at 02:08 AM.
Team Owner
Joined: May 2004
Posts: 82,175
Likes: 1,319
From: McKinney TX
St. Jude Donor '21-'22-'23-'24
You cannot order an 08 C6 without them. OnStar & XM Radio are standard on EVERY 08 C6.