transponder bypass, 555L

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mladams

Copper - Posts: 57

Joined: April 11, 2004

Location: United States

Posted: April 21, 2004 at 7:02 PM / IP Logged

I have a 98 cavy and I am trying to use a 555L for my bypass (that's the one for the GM passlock 1 and 2 systems). I have checked ALL of my connections multiple times but it won't work. I followed all the wiring diagrams and programmed it. I let the car run for one minute with the key before remote starting it with the bypass and it still didn't work.

I unpluged the unit and let it reset and it "forgot" the resistance code. I pluged it back in and just for kicks I remote started it. It worked then but as soon as I started it with they key the next time it stopped working. It must keep learning the wrong code but I don't know how to fix it. I think it may be a bad unit but I wanted to see what some other people thought first.

Matt Adams

Electrical Engineer Major

York College of PA

Chevy Cavy Rally Sport

JWorm

Platinum - Posts: 2,208

Joined: December 11, 2002

Location: New Hampshire, United States

Posted: April 22, 2004 at 12:36 AM / IP Logged

We need more info. You did realize you have passlock 1, correct? What type of remote starter? What wires relating to the passlock did you connect?

sroth140

Silver - Posts: 513

Joined: August 27, 2003

Location: United States

Posted: April 22, 2004 at 12:53 AM / IP Logged

where did you grab your tach wire? most likely its the passlock I tho.

MECP certified installer

kgerry

Platinum - Posts: 3,455

This member consistently provides reliable information

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: April 22, 2004 at 1:59 PM / IP Logged

you're not using it with a DEI starter are you???? i fought my way thru this same situation with a customer who used that module with one of those crappy prostart units sold by the big box chain here..... if this is the case, i can tell you what your problem is... if you are however using it with a DEI product, it should work fine, they always do for me.....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

mladams

Copper - Posts: 57

Joined: April 11, 2004

Location: United States

Posted: April 25, 2004 at 9:47 PM / IP Logged

I did know that I had passlock 1. I connected the ignition, ground when starting, bypass status output, passlock key isde, passlock BCM side, passlock ground.

I'm using the audiovox informer 996C system. It's not a cheap system, it retails for $450. I just can't figure out how to get it to work.

Matt Adams

Electrical Engineer Major

York College of PA

Chevy Cavy Rally Sport

iworkatzips

Member - Posts: 11

Joined: May 22, 2002

Location: United States

Posted: April 26, 2004 at 1:55 AM / IP Logged

If you bought the 555L, look at the instruction manual, there is a special grid telling you that 1996-1999

(i think) Cavaliers have a wire that is like a "wait to start" that must be energized in order for remote start to work. The manual will tell you what color it is and where it is in your vehicle. If you were using a DEI product I would be able to tell you how to hook it up to your alarm, but I'm not the most familiar with Audiovox, so read your install guide and find out how to hook up a "wait to start" wire. Make sure you test all your wires with your DMM.

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transponder bypass, 555L

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