99 explorer Keyless entry module question
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Fleet Mechanic
Joined: May 2013
Posts: 1,256
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From: NC
99 explorer Keyless entry module question
Does anyone know if the outputs from the Keyless entry module (to trigger door lock/unlock) are positive or negative? using the module on a different vehicle and that's the only thing I am unsure of 
Thank you
Thank you
Logistics Pro
Joined: Jun 2009
Posts: 4,817
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From: Cedar Rapids, IA
The door locks are triggered with a negative input to the RAP module. Negative on pin 22 (Pink/Yellow) will trigger the doors to lock, negative on pin 11 (Pink/Light Green) will trigger the doors to unlock.
For future reference, if you use an old school test light to try out the inputs, it will help you determine which method the locks use without damaging anything if you get it wrong. You hook the test light lead to ground and touch the tip to the inputs to see if anything happens. If not, then you move the test light lead to +12V and touch the tip of the test light to the inputs to see what happens.
-Rod
For future reference, if you use an old school test light to try out the inputs, it will help you determine which method the locks use without damaging anything if you get it wrong. You hook the test light lead to ground and touch the tip to the inputs to see if anything happens. If not, then you move the test light lead to +12V and touch the tip of the test light to the inputs to see what happens.
-Rod
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