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by marwood82
30 Mar 2017, 02:17
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: Bulb failure warning light on at start up goes off when brake pressed
Replies: 13
Views: 2046

Re: Bulb failure warning light on at start up goes off when brake pressed

ive also tried a new battery, unplugging things inside etc

the only thing ive got is if pull fuse 7 from the main box it stops.
and fuse 7 powers the secondary box.
by marwood82
30 Mar 2017, 02:13
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: Bulb failure warning light on at start up goes off when brake pressed
Replies: 13
Views: 2046

Re: Bulb failure warning light on at start up goes off when brake pressed

Guten tag! Get a voltmeter in series on the positive cable, then start pulling fuses one by one - have you tried that yet? yup. many times and with different meters. what i cannot figure out is that the current draw is well within limits. to cause the kind of drain im seeing (a drop of around 0.2 -...
by marwood82
30 Mar 2017, 00:40
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: Bulb failure warning light on at start up goes off when brake pressed
Replies: 13
Views: 2046

Re: Bulb failure warning light on at start up goes off when brake pressed

I just saw that marwood82 is from Germany....so it's completely normal behaviour for EU car. Yeah I saw Germany too ... I think you have solved the mystery. Unfortunately OP still has to track down the parasitic battery drain. :cry: oh well, it was a nice theory while it lasted :-( at least i know ...
by marwood82
29 Mar 2017, 11:08
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: Bulb failure warning light on at start up goes off when brake pressed
Replies: 13
Views: 2046

Re: Bulb failure warning light on at start up goes off when brake pressed

actually the more i think about it the more this makes sense. ive had a mystery battery drain since i got the car. tried every method i can think of to track it down and still no idea whats causing it. but this could be it. if go to the main 60A fuse box and pull fuse 7, then the drain stops. fuse 7...
by marwood82
29 Mar 2017, 09:33
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: Bulb failure warning light on at start up goes off when brake pressed
Replies: 13
Views: 2046

Re: Bulb failure warning light on at start up goes off when brake pressed

i've had a look a few times and the lights look ok, whats got me confused is that if there was a fault with the lights then i would have thought it would stay on all the time? its that it goes out the second i so much as touch the brake pedal that is odd.(i should point out, this warning light is on...
by marwood82
29 Mar 2017, 08:31
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: Bulb failure warning light on at start up goes off when brake pressed
Replies: 13
Views: 2046

Bulb failure warning light on at start up goes off when brake pressed

hi, when i start my 98 v70, the bulb failure warning light stays on after all the other lights go out once the engine is running, but then switches off as soon as i touch the brake pedal. i've had the car about 12 months, its always done this. is it normal? its an auto (dont know if that is relevant...
by marwood82
17 Nov 2016, 12:13
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: odd parasitic drain problem (main fuse 7?)
Replies: 11
Views: 2822

Re: odd parasitic drain problem (main fuse 7?)

i think my faulty rear light turned out to be a red herring, but have identified a dodgy switch on one of the dome lights. i've pulled the dome unit out and am running some tests to see if that is the cause. Your '97 is essentially a US '98 - Hopefully, this may help: https://www.matthewsvolvosite.c...
by marwood82
16 Nov 2016, 10:51
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: odd parasitic drain problem (main fuse 7?)
Replies: 11
Views: 2822

Re: odd parasitic drain problem (main fuse 7?)

Test your meter by opening the glovebox and seeing if the light draw registers. The glove box light has been reported here to stick on, and you test it by recording a video on a smart phone while closing the door well, i put fuse 15 back this morning and this evening the voltage has dropped again. ...
by marwood82
16 Nov 2016, 09:30
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: odd parasitic drain problem (main fuse 7?)
Replies: 11
Views: 2822

Re: odd parasitic drain problem (main fuse 7?)

Are you measuring current drain from the disconnected negative battery terminal to the battery post and only recording 20 mA? yes,thats how im measuring it. If you are only seeing 20mA parasitic drain and that is verified as correct and not varying, do the calculation and you can figure out how lon...
by marwood82
15 Nov 2016, 14:49
Forum: 850, S70, V70, C70, V70-XC 1992-2000
Topic: odd parasitic drain problem (main fuse 7?)
Replies: 11
Views: 2822

odd parasitic drain problem (main fuse 7?)

Hi, im having issues chasing parasitic drain on my 1997 v70 i'm hoping someone can help. if i leave the car parked, the battery voltage is dropping 0.18- 0.2V per day so its flat inside a week. i've tried 2 batteries(1 brand new), same problem. what makes no sense is that the multi-meter reads a dra...