98 cavalier remote start

Im having a problem with the remote start. the start wire, acc, ign 2 all rest at ground and when the remote start turns on, the signals from the remote start module are grounded out. if i insert the key the wires all have 12v at the appropriate times. I'm using a 2 relay setup from https://12voltinstallations.8m.com/photo.html to bypass the passlock system could this be related to my bypass? Has anyone used this diagram with success? should i really take the higher of the two resitance values or is an average better? if you have come across this situation please help!

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Jay Boog

Yep. You're not getting around the passlock security system. The correct reading to use is normally the AVERAGE of the 2 resistance values.

Just out of curiosity, why are you building your own bypass instead of using some type of universal security bypass (such as a JBS Bulldog 791
or DEI 555L or Commando Pass-Mod, etc.) ???
They will make you life much easier, and on the '98 Cavalier, it's not a transponder type of bypass so you don't even have to use up your spare key.

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The Badger

Im not using a bypasser because i can get the relays for free. i was thinking there might be something with the crank low/bulb check or another input im missing my remote starter has a pulse ground output during crank would i be better off using this output on the bulb check wire?

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Jay Boog

just my opinion, even though you get relays for free and a 555l may cost around $35...  how much do you think you are worth an hour? save the time  With the proper module a cavalier can been done is less then an hour, always seems withthe relay thing it takes a whole lot longer.   like i said just my opinion

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andrew nickle