98 Chevy Astro Ultra Start car starter
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=22223
Printed Date: July 09, 2025 at 7:36 PM
Topic: 98 Chevy Astro Ultra Start car starter
Posted By: davemad
Subject: 98 Chevy Astro Ultra Start car starter
Date Posted: December 02, 2003 at 11:34 AM
I am installing an Ultra Start 1355A. So far everything seems to be hooked up right, except after starting, the engine stops. I have the transponder, but am not sure how to wire it. Any help would be appreciated.
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davemad
Replies:
Posted By: zargon
Date Posted: December 02, 2003 at 5:44 PM
that van has passlock two , you willhave to tell me what bypass you have.
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zargon ruler of estranorth
Posted By: davemad
Date Posted: December 02, 2003 at 6:00 PM
Ok it's made by Ultra Start # GMP3A "self learning bypass module for GM". Passlock 1 & 2, 8 pin conn. ------------- davemad
Posted By: JWorm
Date Posted: December 02, 2003 at 8:15 PM
What part of the instructions don't you understand?
Posted By: davemad
Date Posted: December 03, 2003 at 9:28 AM
Which wire on the Astro do I need to hook up the Data wire to.
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davemad
Posted By: JWorm
Date Posted: December 04, 2003 at 12:45 AM
Is that the 4 wire bypass? Power, ground, trigger (ground when running) and data? I thinks its the same as a PLData that I use.
The data wire goes to the purple wire in the OBDII plug under the drivers side dash. Make sure you program the module.
Posted By: davemad
Date Posted: December 17, 2003 at 4:38 PM
Hey Jworm. Thanks for the response. Sorry it took so long to get back. We got it going and it worked great for a day or so. Then the check engine light came on. When you put it in "Drive", it takes off in third gear. We lost the overdrive too. Reverse is delayed also. The GM dealer states it is the car starter and to pull it out. He has had 3 vehicles with bad transmissions go back due to fact that they had car starters put in. So we disconnected it and the trans. works fine, but the engine light stays on. Any ideas? ------------- davemad
Posted By: sparkie
Date Posted: December 17, 2003 at 6:55 PM
The check engine light will likely go out after turning the ignition on and off about 40 or 50 times. The reason it came on was due to the fact that the white second ignition wire in the harness wasn't powered up during remote start. The only other way to turn off the check engine light is with a scan tool for OBD II.
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sparky
Posted By: davemad
Date Posted: December 17, 2003 at 7:33 PM
Thanks for responding Sparky. Have you heard of it affecting the transmission?
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davemad
Posted By: wiretapper
Date Posted: December 18, 2003 at 3:34 PM
If you drive it like that it may or may not affect the trans. But that white ign wire HAS to power up with the remote start. Also, disconnect the battery for 10 minutes. The check eng. light should go out. Another thing......the engine light may be coming on because of the Passlok override, not the trans. Make sure it's wired correctly!
Posted By: davemad
Date Posted: December 18, 2003 at 6:11 PM
I'm the middle man between the guy who owns the van and the guy who installed it. I will let them know what to check out. I really appreciate all the help from the people who responded. You guys are great. Thanks again. ------------- davemad
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