remote start on 2008 hummer h3
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metz35
Copper -
Posts: 458
Joined: January 13, 2003
Location: Pennsylvania, United States
Posted: December 30, 2011 at 1:33 PM / IP Logged
shortcircuit161 wrote:
| I did two 2007 H3 Hummers last winter with Avital 4103LX units with the Idatalink ADS-ALSL GM bypasses connected W2W. Everything worked great for two days. And then the customers called me (mother and daughter) and stated each truck went into tamper lockout. I thought bad connection so I redid everything but still the same problem. Recently, Idatalink has updated their website to state the relay and resistor method work best on the H3 models. 2007-2009 are the same setup. I would strongly recommend the relay and resistor method. The trucks have been remote starting great since. Good Luck on your install!!
Read below per the Idatalink website:
H3, Colorado & Canyon 2008-2009-2010 Passlock Tamper Mode: Please read the following before installing.
Passlock is not covered by the module on these vehicles because the BCM doesn't adapt well to external passlock modules.
Vehicle BCM internal power fluctuation which occurs in many different circumstances negatively affects external passlock bypass reliability. When such fluctuation occurs the risks the vehicle going in tamper mode during remote start are high. The bypass module provides you a highly precise (±0.002v) passlock value, the module will not fluctuate when the BCM does which can result on the BCM and module not being on the same comparison scale. If such situation occur the vehicle will probably go in tamper mode.
The IPC reference wire must be used as the sole Passlock reference in these vehicles to avoid Tamper Mode.
We recommend using relays and very accurate resistors on these specific Models/Years. (the Module will still take care of the PK3 immobilizer, OEM alarm and doorlocks). |
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Agreed Idatalink software for the h3 / colorado/ canyon blows I've had all kinds Of issues even called them once and the tech told me that they pretty much gave up on it since its only 3 cars. But there are some ancient Chinese secrets you can do to get it work!
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