Hi all,

Time to pick your brains people!

My HDI (as in sig) keeps getting a flat battery (only recently eg, past week) for some reason...
Nothing i know of left on but wont start or not enough power to start... :S

For instance tuesday morning went to start it to go to work, it tried to turn over but nothing. Told my grandad, he changed the battery but he said the car was draining itself, something like 300 mili amps going out? I came home on lunch, he went to show me and nothing. Nothing draining the battery. I laughed and told him hes seeing things lol. Drove it to work, parked it up for 3hrs, drove it home after work. After another hour drove to my dads, about another hour drove to the chippy and back. Then when i came to go home at about 11:30 bam, turned over but wouldnt start. (Nothing was left on either) Called Greenflag out to start it. They said it was down at 1.4amps (or volts or something lol) then when the car was started the guy said it jumped back up to 14.2. So he said the generator was ok was probably the battery. Found the reciept for the battery and it was purchased 02/01/09, so took it back to be tested where i brought it from. They even tested it twice and it was still fine.

Only thing i have changed was a headlight bulb that wasnt working or didnt seem to be. (I thought it had blown but my grandad has checked it and its ok) Put new bulb in and its working fine. (After i made sure all the wires were correct, which it seems they were)

Have tested to see if the drain is something to do with the lights by unplugging them and the drain is still there.

Interior lights only come on when door is open and they auto turn off when closed (so far as i can see not being left on)

Someone suggested the amp or audio system. Isnt this as have unplugged it all, head unit, cd changer, amp and sub and its still being drained.

Also someone suggested could be corroded pins on the fan loom, unplugged this and the drain is still there.

Its weird tho it seems asif the drain is intermittant(sp)... between 300-500 mili amps.

Checked the GTi6 to see what was a 'normal' drain and that has 20mili amps coming from it when turned off.

Any ideas anyone?

(moved it to the electrical section instead of engine )

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Team 'No Longer A 306 Owner'

Team 'VTEC'

Black Honda Civic 'EP3' Type R

Moonstone 306 Gti-6 - Died at 82k
Black 306 HDI - Sold 08/08/2010 at 102,229

Test it with a multi meter with the engine running. It should then be reading anywhere between 14-15 volts. If it's only 12 ish volts, with the engine running then your alternator will likely be f*cked. If it is reading 14-15 volts then there's a good chance that either your battery is f*cked and is not holding it's charge or there's something draining the battery

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My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?

Right have found partly the cause of the problem...



When unplugging the bottom left green '60' fuse as below... the drain from the battery goes...



What does the bottom left green '60' fuse go?

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Team 'No Longer A 306 Owner'

Team 'VTEC'

Black Honda Civic 'EP3' Type R

Moonstone 306 Gti-6 - Died at 82k
Black 306 HDI - Sold 08/08/2010 at 102,229

According to autodata that's the feed to the internal fuse box or the ignition switch (I can't work out which one is number one and which one is number 4)

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When I've got time I forget what I wanted to do, and when I remember what I wanted to do, I have no time!

Yep afraid so, did you try unplugging the siren? as thats powered by the alarm ecu which is fed via the internal fuse board.

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When I've got time I forget what I wanted to do, and when I remember what I wanted to do, I have no time!

Dont think its the boot light...

have opened the inside fuse box and found out the following...



Number 1 takes off all of the load...

Numbers 2 and 3 only take off around 50% each of the load...

Any ideas what these go to?

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Team 'No Longer A 306 Owner'

Team 'VTEC'

Black Honda Civic 'EP3' Type R

Moonstone 306 Gti-6 - Died at 82k
Black 306 HDI - Sold 08/08/2010 at 102,229

Take the lamps out of all the interior lighting. If the load goes there's your answer

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My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?

to check the boot light is off go into the boot through the rear seats

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andrew315rawson@live.co.uk
Moonstone phase 7 gti6
My Project thread: http://www.306gti6.com/forum/showthread.php?id=119992&page=1

hiya mate, that number one fuse you've labled in your photo is a shunt fuse. it's to change the mode of the vehicle from either "showroom" or "road/live" depending on it's position. i'd lever it the way it is.

as for testing the battery, a good way to check it's status is to drop yest it using the car. start and run the car, then switch on loads such as the headlights and rear demisters. the voltage should drop across the battery, however it should hold, if it starts to drop, it's the battery that's dud. if not you're looking at something else.

hope that helps.

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Deepak Gohil

i am having a prob with a battery going flat in my 205.


how to you measure the drain?

cheers Stevie

Try disconnecting the door multi plug. I'm grasping at straws now

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My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?

Hazard relay fried?

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Another Broken one