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1997 Dodge Ram 2500, Adding 451M, Unlock Doesn’t Work

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=148367
Printed Date: May 24, 2025 at 8:56 PM


Topic: 1997 Dodge Ram 2500, Adding 451M, Unlock Doesn’t Work

Posted By: mike450136
Subject: 1997 Dodge Ram 2500, Adding 451M, Unlock Doesn’t Work
Date Posted: May 24, 2025 at 10:23 AM

The switches inside still continue to work.

I got the lock button to function on the key fob but not unlock

Wired the 451m according to what was listed in the manual :
"wiring diagram c directly wired reversing polarity switch circuits."

I chose to wire the banvie as a negative trigger

As far as I understand it that's how it should be set up.but it doesn't unlock...

Banvie:
https://m.media-amazon.com/images/I/81zuLnf5aqL._AC_UF894,1000_QL80_.jpg

451m:
https://pdf.ampire.de/directed/451M_Installation_Guide_2451111.pdf


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