astrostart causing transmission problem
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=104523
Printed Date: July 05, 2025 at 4:56 PM
Topic: astrostart causing transmission problem
Posted By: ben_l_p
Subject: astrostart causing transmission problem
Date Posted: May 06, 2008 at 7:12 PM
i recently installed a used astrostart 2006 model into a 2002 chevy silverado (automatic). when i use the remote start, the transmission acts up. it shifts funny and i only get first and second gear. when this happens i can pull over, turn off the truck, wait ten seconds, start the truck with the key and everything is fine again. any ideas?
Replies:
Posted By: chillin420
Date Posted: May 06, 2008 at 7:21 PM
i had this problem with a viper alarm a few months ago. it was all due to the accessory wires not being diode isolated and the ignitions not being diode isolated.
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you can do it....
advanced MECP, lol does it really matter....
patience is a virtue
Posted By: JWorm
Date Posted: May 06, 2008 at 7:24 PM
The truck's white second ignition wire is not being powered by the remote start. DO NOT drive the truck after remote it until it is fixed. This is widely known by installers that that wire needs to be hooked up or else transmission problems (and possibly permanent damage) will occur.
Posted By: prdjr165
Date Posted: May 06, 2008 at 7:26 PM
I think you should make sure the 2nd ignition wire is being powered up during remote start!
Posted By: KarTuneMan
Date Posted: May 06, 2008 at 8:47 PM
If you used an Astro passlock module, it has an output for the second ign......hook it up. If not, use one of the programable outputs on the 252 connector programmed for ign. to trigger a relay. -------------
Posted By: dswift
Date Posted: May 09, 2008 at 1:27 PM
Yawp 2nd ignition all the way!
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"dont ground out!"
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