Hi. I'm new to this forum so please direct me to any previous posts on the same issue. I have a 2009 Fiat 500 1.2. The original battery recently gave up the ghost and I replaced it. At the same time I thought I would check if there was any drain and there is 0.35A running through the circuit (with everything turned off) via fuse F01.

This seems high to me but can anyone tell me what reading I would expect and if there is a short how I might be able to find it.

Thanks!

Parakeet said:

Hi. I'm new to this forum so please direct me to any previous posts on the same issue. I have a 2009 Fiat 500 1.2. The original battery recently gave up the ghost and I replaced it. At the same time I thought I would check if there was any drain and there is 0.35A running through the circuit (with everything turned off) via fuse F01.

This seems high to me but can anyone tell me what reading I would expect and if there is a short how I might be able to find it.

Thanks!

Click to expand...

Hi and welcome to FF

Obvious issue.. check the tailgate wiring..

LOTS of threads on here covering that..

TBH.. if your factory fit battery has just given up.. you have done well.. and points to a reasonably healthy car.

Charlie

When you first power down the car, the initial drain may be quite high as stuff like the interior lights remain on for a short period.

It may be worth leaving it for fifteen minutes or so with the bonnet open and seeing what the steady state drain is after everyting has fully powered down. Don't open any door when you come back to check it.

Normal drain is no more than 50mA(often 10-20mA) it can be hard to read the value ideally have the meter connected between the live post and the clamp whilst its(clamp) still on the battery, this allows the cars electronics to stabilize then after a min say remove the battery clamp this gives you the true reading, often the low current(most accurate) setting on a meter is protected via a 250mA fuse that would blow as soon as you connect the meter if you just slapped it on, when things like the immobilizer and interior lights might first come on when connected for the first time, then if the reading is still high pull fuses until the load ceases then at least you'll know the circuit, rear hatch wires like JR says, boot light, horn, radio could be culprits etc

You could try to isolate the area by pulling fuses feeding and protecting the body computer.

Mines the same regards drain the blue and me doesn’t work and the mileage display flashes and until I know where to look for the drain I disconnect the battery if it’s parked for more than two days

Consumption checks after 20-40 minutes after you've closed your car.


At my car,ford , when close the car, take 15-20 min to close all circuits and
if measured in this period, it will be above the admissible limit