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10-28-2006, 04:57 AM
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Hummer Professional
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Join Date: Mar 2003
Location: N.CENTRAL OHIO
Posts: 474
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Re: Rear E-Locker
Quote:
Originally Posted by HummBebe
TC 1 = 4hi lock ?
TC 2 = 4lo lock ?
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TC 1 is standard
TC 2 allows wheel spin and keeps the brakes from slowing the spinning wheels for mud and snow.
I always used e locker and TC2 in 4 low so don't know if TC2 worked in HI lock or open.
I just don't want TC to slow the wheels down when u need the wheel spin and the e locker is going to keep the rear tires same speed so the TC won't slow one rear wheel if it's turning faster because it has a little less traction.
will the e locker work in 4 hi in the H3?
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07 White H3 Adventure w/ some black stuff
04.5 GMC D/A CC SLT LB EFI LIVE tuned
98 ZR-2 Blazer
Ex H2&3 owner
My hiking boots and canoe paddle have more miles than most 'offroad' vehicles, over 350 in last year.
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10-28-2006, 05:20 AM
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Hummer Veteran
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Join Date: Jul 2006
Location: Bay Area, CALIF
Posts: 151
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Re: Rear E-Locker
where is the traction control ? i know there is only a button for stabiliztrack on the control panel..
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06 H3 Boulder gray,
Adv. Pack, Chrome Pack, Chrome Step Assist, Chrome fuel cover, Chrome Hood with handle, Chrome air intake, Chrome side marker light, Oem Brushguard, Tow Package, Factory Mudflaps Front/Back, XM Radio, OnStar ... more to come
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10-28-2006, 06:03 AM
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Hummer Guru
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Join Date: Jul 2005
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Re: Rear E-Locker
Quote:
Originally Posted by DURAMAX TIM
will the e locker work in 4 hi in the H3?
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No. It will disengage at 20MPH.
So can you go over 20MPH in TC 1?
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10-28-2006, 06:05 AM
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Hummer Guru
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Join Date: Jul 2005
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Re: Rear E-Locker
Quote:
Originally Posted by fw888
where is the traction control ? i know there is only a button for stabiliztrack on the control panel..
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That is because the Traction Control system is always on. You cannot turn it off.
Where is it? In the puter
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10-28-2006, 05:02 PM
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Hummer Professional
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Join Date: Jul 2005
Posts: 278
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Re: Rear E-Locker
Wow, strong opinions either way - I don't know what the right answer is, but I will add it is very difficult to design a traction system for all surfaces.
The TC switch shuts off both the stability and traction systems.
There are two wires going to the e-locker: light green and black (I think these are the colors). +battery is switched to the light green wire and the black wire returns to the transfer case shift control module where it connects to ground through a resistor/current limiter. The final circuit will be pretty simple but you need to do serveral tests first to understand what is inside the control module.
For example, you'll need a diode to clamp the inductive current for the e-locker coil to prevent an insulation breakdown when you interrupt coil current.
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10-28-2006, 05:13 PM
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Hummer Guru
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Join Date: Jul 2005
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Re: Rear E-Locker
Quote:
Originally Posted by ChevyHighPerformance
The TC switch shuts off both the stability and traction systems.
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TC Switch?
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10-28-2006, 07:13 PM
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Hummer Professional
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Join Date: Jul 2005
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Re: Rear E-Locker
Sorry, I wasn't clear - Traction Control System - TCS switch.
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10-28-2006, 07:46 PM
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Re: Rear E-Locker
On which model H2 or H3?
If H3, what switch are you referring to?
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10-28-2006, 08:22 PM
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Hummer Professional
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Join Date: Jul 2005
Posts: 278
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Re: Rear E-Locker
I was refering to the H3. This is the rightmost switch - picture of a car with squiggly lines underneath it. Hold it in for 5 sec and this will disable the traction control and the stability system (if you have it).
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10-28-2006, 11:21 PM
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Hummer Guru
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Join Date: Jul 2005
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Re: Rear E-Locker
Quote:
Originally Posted by ChevyHighPerformance
I was refering to the H3. This is the rightmost switch - picture of a car with squiggly lines underneath it. Hold it in for 5 sec and this will disable the traction control and the stability system (if you have it).
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That is the stabilitrac switch. Different system than the traction control.
You cannot turn off the traction control
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10-28-2006, 11:27 PM
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Hummer Veteran
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Join Date: Aug 2006
Location: Durango, Colorado
Posts: 96
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Re: Rear E-Locker
Quote:
Originally Posted by HummBebe
You cannot turn off the traction control
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You are incorrect sir/maam ( )... there is a switch on the column... the ignition switch! That will turn off the traction control. But I don't think it's useful over 5 mpg (I could be wrong )!
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Last edited by yzergod : 10-28-2006 at 11:45 PM.
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10-28-2006, 11:42 PM
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Hummer Guru
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Join Date: Jul 2005
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Re: Rear E-Locker
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10-29-2006, 02:18 AM
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Hummer Professional
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Join Date: Jul 2005
Posts: 278
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Re: Rear E-Locker
Here are two pages from the owners manual. You can get the electronic owners manual from www.mygmlink.com after you register.
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10-29-2006, 02:21 AM
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Hummer Guru
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Join Date: Sep 2005
Location: fort salonga ny
Posts: 3,789
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Re: Rear E-Locker
Quote:
Originally Posted by ChevyHighPerformance
Here are two pages from the owners manual. You can get the electronic owners manual from www.mygmlink.com after you register.
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That sure explains it
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10-29-2006, 03:05 AM
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Hummer Professional
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Join Date: Mar 2003
Location: N.CENTRAL OHIO
Posts: 474
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Re: Rear E-Locker
Quote:
Originally Posted by fourfourto
That sure explains it
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so lets see, we turn OFF the TC/SC when in mud and snow or it will limit wheel spin which may get u stuck.
Now the e locker kicks out over 20mph, so if play off road in muddy or snowy conditions we just have to keep the speedo under 20mph
I know I've hit a lot more than 20mph in mud pits and snow drifts not to mention slippery hills.
I still want my elocker to stay on when I turn it on.
__________________
07 White H3 Adventure w/ some black stuff
04.5 GMC D/A CC SLT LB EFI LIVE tuned
98 ZR-2 Blazer
Ex H2&3 owner
My hiking boots and canoe paddle have more miles than most 'offroad' vehicles, over 350 in last year.
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11-02-2006, 02:11 AM
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Hummer Professional
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Join Date: Mar 2003
Location: N.CENTRAL OHIO
Posts: 474
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Re: Rear E-Locker
***crickets****
now what?
__________________
07 White H3 Adventure w/ some black stuff
04.5 GMC D/A CC SLT LB EFI LIVE tuned
98 ZR-2 Blazer
Ex H2&3 owner
My hiking boots and canoe paddle have more miles than most 'offroad' vehicles, over 350 in last year.
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11-02-2006, 02:45 AM
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Hummer Professional
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Join Date: Oct 2006
Location: NA
Posts: 478
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Re: Rear E-Locker
Quote:
Originally Posted by DURAMAX TIM
so lets see, we turn OFF the TC/SC when in mud and snow or it will limit wheel spin which may get u stuck.
Now the e locker kicks out over 20mph, so if play off road in muddy or snowy conditions we just have to keep the speedo under 20mph
I know I've hit a lot more than 20mph in mud pits and snow drifts not to mention slippery hills.
I still want my elocker to stay on when I turn it on.
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11-02-2006, 11:52 PM
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Hummer Professional
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Join Date: Jul 2005
Posts: 278
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Re: Rear E-Locker
I made the mistake of not getting the off-road package so I can't just try this on mine. How about this. With the key off, disconnect the connector from the e-locker. Measure the resistance from the black wire (going to the control not to the e-lock coil) to a good ground as close to the control as possible. Zero out the probe resistance first.
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11-03-2006, 04:27 AM
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Hummer Veteran
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Join Date: Mar 2006
Location: North Florida
Posts: 117
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Re: Rear E-Locker
I have the service manual and pages 4-150, 4-156, 4-160 explain the following respectively: Differential lock schematics, Circuit Description, and Electronic Diff Lock Will Not Disengage troubleshooting. I wish I could post this and have it be readable or be able to explain it. (I'm a Pharmacist not an Electrical Engineer) if anyone else can post this info for ChevyHighPerformance to look at we might have an answer.
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11-03-2006, 04:47 AM
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Hummer Professional
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Join Date: Sep 2006
Location: Walnutport, PA
Posts: 292
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Re: Rear E-Locker
Quote:
Originally Posted by Hal
I'm a Pharmacist not an Electrical Engineer.
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Damn it Jim!
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