Car Mechanics (UK)

Battery drain test

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I have a 54-plate Ford Galaxy Ghia 1.9 TDI with 130bhp. Recently, the battery has been draining overnight. There must be a short circuit as I have checked the battery and alternator and they are both fine.

I am trying to do a parasitic draw test, but the space in the footwell is very tight. Is there any way I can pull out the fuseboard? In the Ford Focus, you can twist a button at the bottom of the fusebox to pull it out to gain easy access, but I cannot find anything similar in the Galaxy.

Another thing I have heard is that I should make sure the load in the car is off before I start the parasitic draw test, but my problem is that I have to keep the driver’s door open to enable me to pull out each fuse to perform the test. Do you know of any way I can keep one door open and still carry out the test? Yantao Guo The fusebox on your Galaxy is built into the GEM (generic electronic module) and there is no simple way to drop it down, as on the Focus. According to the informatio­n I have, the interior light switch is built into the door catch. This means you should be able to fool the vehicle into thinking the doors are closed by operating the lock on the door. To do this, use a Philips screwdrive­r to operate the catch. With the door open you will see the point on the door lock where it normally hits the striker plate on the A-post. By pushing the screwdrive­r sideways into the catch, the mechanism should flick into the locked position, turning off the interior lamp. After the test, the catch can be opened by pulling the door handle to release it.

When doing the test, be aware that you may have to wait up to half-an-hour before all the electrical systems have shut down completely.

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