Question about Hoffman Group Autoloc KL550 5 Function Keyless Entry W/ Birt

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Can't lock or unlock with either romotes

Both locking and unlocking do not work. I can hear a "click" sound coming from somewhere in the dash around the steering wheel. The little light illuminates on the remotes.
Any ideas?

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How do you find out if they are positve wires instead of negative

Posted on Jan 06, 2013

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Hi there
did you install yourself or was it done professionally?
on some cars the wires from the unit say they can be hooked up to door locks they can be but sometimes when the car manufacturers make the electronic doors that your unit is attached to the wires are set with a positive charge as a ground if the solenoids in the unit are clicking the problem is you need to add relays to convert the original door wire signal to the new signal you are trying to send to have these relays installed on your car you will need to have it installed by a professional but if you are very good with electronics if you go to your cars brand dealer you can ask for a photocopy of the cars power lock and ignition wiring setup (this will show all factory wires and the type of setting they have IE. 12v grounds (+,-wires) from there you will need 4 4pin relays now each relay is going to adjust all the doors wiring on the vehicle to accept the new signal..........this procedure will take about 2 up to 6hrs to do if not experienced but a professional installer can fix this in 1-2hrs
if you want to attempt this on your own let me know and ill try to guide you threw it
hope i was able to help

Posted on Mar 06, 2009

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