Intermittent Tach Signal Present Before Start
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=138460
Printed Date: May 06, 2024 at 6:41 AM
Topic: Intermittent Tach Signal Present Before Start
Posted By: clark218
Subject: Intermittent Tach Signal Present Before Start
Date Posted: February 09, 2015 at 8:16 PM
I bought a 2004 Saturn Ion a few years ago with an Astrostart 903 series remote car starter. I hadn't been using the starter until recently as I needed a new remote. I recently purchased a new one and programming was successful.
I continue to have the same intermittent problem I had a few years ago when I quit using it. About half the time when I go to start it, the accessories flash on, but starter doesn't engage and they turn right off. The error code according to LED flash sequence is "tachometer signal already present at start attempt."
Sometimes it will start on a second or third try if I turn the car on and off or retry remote starting. Nothing seems to predictably correct it.
I followed the grn/blk tach wire to the ignition control module where it was connected via a wire tap connector. The wire doesn't feel loose and appears intact to the remote starter.
Any help or suggestions are appreciated! Thank you
Replies:
Posted By: howie ll
Date Posted: February 10, 2015 at 3:40 AM
Throw away any wire tap connectors, absolute garbage and solder.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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