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Using a 2-Wire PATS Bypass on a 5-Wire Connector?

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=144748
Printed Date: May 19, 2024 at 1:51 AM


Topic: Using a 2-Wire PATS Bypass on a 5-Wire Connector?

Posted By: Simplemitch
Subject: Using a 2-Wire PATS Bypass on a 5-Wire Connector?
Date Posted: September 22, 2018 at 8:21 AM

Hey all, this might be an easy (dumb) question, but I haven’t done a remote start in about 8 years.
I have an old CodeAlarm PC 7300 remote start that I’m thinking about putting in my 2007 Ford Focus. I bought a cheapy PATS bypass off Amazon (BANVIE Universal Immobilizer Transponder Bypass Module), which has an antenna loop for the key cylinder and a Positive/ Negative input. The code alarm has a 5-pin PATS/VATS harness with the following connections:

1. +12v
2. Ground
3. Ignition (+)
4. Starter Motor (+)
5. Active Out (-)

I’m assuming that key reading only takes place during cranking, so do you think Module Ground to Ground and Module Positive to Starter Motor (+) would work? If not, please point me in the right direction. Thanks.

-------------
Mitchell Whitney, Installer/technician
Mainstreet A/V



Replies:

Posted By: eguru
Date Posted: September 22, 2018 at 8:34 AM
Use the Active Out(-) to activate the bypass.
You also need to drive the key-in-sense to +12V so you will need a small relay.




Posted By: Simplemitch
Date Posted: September 22, 2018 at 9:10 AM
Thanks for the super fast reply! According to multiple wiring charts I’m looking at, the Key Sense is negative (red/black (-) at column harness). Can’t it be directly connected to the active out as is?

-------------
Mitchell Whitney, Installer/technician
Mainstreet A/V




Posted By: eguru
Date Posted: September 22, 2018 at 3:42 PM
Whoops, sorry about the wrong polarity of key sense.
If its negative, then sure, just drive it with active out.

Regards





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