All you need is to recharge the system with freon .
The Villager PCM is located far under the dash, near the firewall. It requires a fair amount of disassembly to reach it, so I'd suggest actually making sure there is something wrong with it before attempting it.
If it is making a rapid clicking as compared to the slower intermittent clicking. One of your turn signal bulbs need to be replaced, normally it will only do this when the bulb is not working at all.
Why is your 1993 Altima Nissan making a clicking noise but does not start?
I've been told that this is usually the cv boot and that it is easier to buy an axle from an auto parts place and have a mechanic replace the axle.
Cicadas
onomatopoeia
onomatopoeia
If the Chrysler is only making a clicking noise and will not start, check the starter. Also check the alternator, and the battery. The starter solenoid is more than likely the reason the car is clicking and not starting.
A bad resistor can cause your BCM to make a clicking sound. The clicking noise can be caused by the relays and replacing the BCM will fix the problem.
Your bike may be making a clicking noise when you ride it due to issues with the chain, gears, pedals, or bottom bracket. It is recommended to have a professional bike mechanic inspect and repair the bike to address the clicking noise.
It is a safety feature. It keeps other objects/metals from making contact with a positive current. It may also protect against corrosion. It is not vital to the operation though, so you can do without it.
It is out of balance..Replace IT!