Maybe 8 months not sure.
Power door lock repeat viper alarm.
I hooked it up and it all works except for locking and unlocking the doors with the remote.
Viper is the industry leader in keyless entry systems.
Buy viper 3100vx 1 way car alarm system with 2 remotes keyless entry discountcentralonline universal door lock actuator 2 wire.
Add the convenience of keyless entry to virtually any vehicle even vehicles without power door locks.
I have power windows and doors in my 79 from an 85.
Viper s keyless entry systems offers a wide variety of convenience features.
Easier way would be to buy a dei 451m relay pack plug it into the viper brain run the purple purple black to constant power white black and brown black to ground and green and blue as your lock unlock output to the actuators.
I put a viper alarm in my truck about a year ago i think.
It will run up to 2 safely 25 years as a installer.
All original wiring harnesses and such.