Battery Draining

Post Mon Sep 12, 2016 2:19 pm

My battery has started draining on my car when it is parked up.
I think it is something to do with the passenger side power window.
I have been in the car when i have heard an intermittent clicking sound coming from the passenger side motor/sill area.
Could this be a sticking window switch?
Any other ideas welcome.

Post Mon Sep 12, 2016 4:47 pm

A faulty boot light switch could be a possibility , not sure how you check for a sticking window switch though, how do you know it's draining ?

Post Mon Sep 12, 2016 4:54 pm

I know because i have gone to drive my car twice over the last few days and the battery has been flat.
Its this clicking sound that i want to get to the bottom of as i think it will point me to the problem.

Post Mon Sep 12, 2016 6:06 pm

Carmo13 wrote:I know because i have gone to drive my car twice over the last few days and the battery has been flat.
Its this clicking sound that i want to get to the bottom of as i think it will point me to the problem.

It could be the battery itself which is the problem or the alternator , what is the voltage when recharged , a healthy battery I believe should be around 13.2/4 volts , a dodgy diode in the alternator can also cause charging problems. the clicking could be from the centre locking actuator ? Is the car a convertible ? some have experienced large current drains by having a defective heated door lock

Post Mon Sep 12, 2016 7:48 pm

The clicking is likely to be the blue relay behind the glovebox, and a faulty door switch or something closely associated with it is the problem, most likely on the driver's side, simply because that gets the most use.
Check that the plastic buttons in the door that operate the pin switches are still there and intact, and unscrew the single self tapper that holds each switch in place, pull them out and see what's going on.
If you disconnect any of the wires, don't let them slipback through the hole in the A pillar, or you'll be dismantling trim to retrieve them.