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Topic: Battery drain (Read 3704 times) |
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Battery drain
« on: Jan 14th, 2016, 10:49am » |
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Hi Guys, Got a problem with my 2.3, If I leave the car overnight the battery is completely dead, if I disconnect the battery before leaving , after refitting in the morning it starts first time.
Obviously there is something draining battery, how do check for this with a electrics tester, I am not sure what setting to put the meter on, or how and where to check the wiring,
Cheers Bob 
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Scorpio_Mike
Senior Member
Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: Battery drain
« Reply #1 on: Jan 14th, 2016, 1:13pm » |
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Assume you have the battery cover in place and have checked the fuse boxes for water ingress ?
The other favourites seem to be the ashtray or glovebox light staying on.
Simmo has also recently had problems with the radiator fans coming on and draining the battery.
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Star sign is Scorpio !
Sierra XR4i's are great...especially when fitted with 4WD 
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PJDavis
Senior Member
2 x 1995 Jag X300 3.2 / 4.0 (Henley) 1957 XK140
Posts: 1474
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Re: Battery drain
« Reply #2 on: Jan 14th, 2016, 2:22pm » |
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I'd go for the glovebox first, that was my problem a few years ago. Difficult to check if the light is staying on, like a fridge!! 
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I love 'Movvy'
1995 Jaguar XJ6 X300 3.2 (Henley)
1995 Jaguar XJ6 X330 4.0 (Dopey)
1957 Jaguar XK140 USA (converted to RHD, and to have fitted Mk10 420G Engine with BW 65 Auto Trans)
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Battery drain
« Reply #3 on: Jan 14th, 2016, 3:39pm » |
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The way to test the sensitivity of the glovebox switch is to hold in the rear window heater switch whilst you turn on the ignition, release the heater switch, you’ll get 3 bongs – you’ll now get a sound if you open a door or the glovebox, if you get a sound without opening anything suspect the glovebox light is on.
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ABS multiplug wheel sensor pins MK IV or MK 20
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Battery drain
« Reply #4 on: Jan 14th, 2016, 3:56pm » |
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Dave....You never fail to amaze me!! 
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Re: Battery drain
« Reply #5 on: Jan 14th, 2016, 5:31pm » |
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Thanks for all the info guys, you never cease to amaze me with your knowledge,
I will check it out tomorrow as it is raining cats and dogs here today.
Will let you know.
Bob
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GrahamT
Full Member
I'm a YaBB newbie!
Posts: 108
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Re: Battery drain
« Reply #6 on: Jan 15th, 2016, 12:19am » |
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Or find a small child and...... no no no, don't put the child in the glovebox, let me finish!
Pinch their phone for a minute... ok don't pinch it, borrow it cos you'll need to ask them how to drive it anyway... set the phone recording video ( they do that nowadays, some you can even make phone calls on!)
Put the phone in the glovebox, camera lens facing upwards then close and open the glovebox a few times.
Take the phone out and ask small child to replay the video you just made (this does not mean you can now go around calling yourself Spielberg... ok Hitchco ck, now mind you). You should now know if the light goes off!! Pat small child on the head and thank with a reward. A couple of jelly babies probably won't impress.
Simples
(I found out my fridge light does actually go out every time I shut the fridge door too! Get a cold ear every time I make a phone call now though) 
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Nunnspoet
Full Member
I love YaBB 1G - SP1!
Posts: 798
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Re: Battery drain
« Reply #7 on: Jan 15th, 2016, 5:58pm » |
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Unbelievable!!
All I can say is "Own a Scorpio and be amazed by just how ingenious you become."
Mike 
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Re: Battery drain
« Reply #8 on: Jan 16th, 2016, 6:17pm » |
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hi guys,
Just thought I would give you an update on this, put jump leads on to start it and heard like a hisssing noise coming from the left side of the engine bay, then a few wisps of smoke from the small black wire below the multiplug with the bolt on top. (this was without the ignition turned on). Hello I thought this could be where the battery drain is coming from, on feeling the small black loom it was hot and burnt my finger.
I did not have time to do anything today, so will have a good look tomorrow.
Does anyone know where this black wire loom goes to.
Cheers Bob
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Battery drain
« Reply #9 on: Jan 16th, 2016, 7:53pm » |
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I couldn’t see an individual wire on mine just the bundle of wires below the connector. There are 2 multiplugs with a bolt (or at least there are on my auto). The one that sits slightly higher is the connection for the ignition loom to the coilpacks etc. the other I believe is the autobox loom. I can't say off hand where the bundle of wires beneath the sockets go.
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ABS multiplug wheel sensor pins MK IV or MK 20
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Re: Battery drain
« Reply #10 on: Jan 17th, 2016, 9:20am » |
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Hi Tompion,
Thanks for that, mine is a manuel gearbox so only one box.
The wiring for that is ok , but there is this black loom running along the chassis rail, it is this that I think is shorting even with no ignition turned on
Cheers
Bob
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Re: Battery drain
« Reply #11 on: Jan 17th, 2016, 2:15pm » |
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Hi Guys,
What a mess, went to have a look at loom this morning (a xxxxx to get to) when I unwrapped it , oh! look no insulation the loom is completely shot , it is the one that goes to the abs gubbins under bonnet.
Can you still get these or has anyone got one for sale.
What are they like to fit?I will put an ad in wanted as well.
Cheers
Bob
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Battery drain
« Reply #12 on: Jan 17th, 2016, 2:50pm » |
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Bob. I thought This post may help? 
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Re: Battery drain
« Reply #13 on: Jan 17th, 2016, 4:33pm » |
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Hi Simmo Thanks for that,
That drawing does not show the loom in question, it is the one that runs along the chassis on the left side of the engine bay, and runs up to the abs pump, i have had a look but cannot find a wiring diagram for it.
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Battery drain
« Reply #14 on: Jan 17th, 2016, 8:46pm » |
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Bob, try these diagrams from Snoopy's site.
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Battery drain
« Reply #15 on: Jan 17th, 2016, 10:31pm » |
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Bob
There's a post about rewiring it here:
http://www.fordscorpio.co.uk/cgi-bin/yabb/YaBB.pl?board=admin;action=dis play;num=1358685207
With your request for a loom don't forget there are 3 types, TC or non-TC with the bolt on connector to the ABS.
Non-TC with the clip on connector (mounted at the front of the wing) - never seen a TC version of this type.
Click on the links at the bottom of my posts to see the layout of the 2 plug types.
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ABS multiplug wheel sensor pins MK IV or MK 20
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Re: Battery drain
« Reply #16 on: Jan 18th, 2016, 9:50am » |
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Simmo /Bob
Thanks for all the info, the diagrams are an invaluable source of knowledge.
Bob your article has saved our car and our lives, as we live out in the sticks in Normandy France we are stuck without transport.
Your article and pictures just look like the state my loom is in, how it did not catch fire I do not know.
Could you tell me what size wire you used and is it all the same colour.?
It is going to take me a while to do this as the car is outside, snow here at the moment, but I will keep you informed.
This site and you guys are a mine of information and greatly appreciated.
Bob
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Battery drain
« Reply #17 on: Jan 18th, 2016, 2:07pm » |
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Bob
I don’t know what wire ro284 (Bob) used. The diagrams show it as .75 & 2.5.
If I were doing it I’d consider using trailer cable, although the 12 core I looked at on ebay is .65 & 2.5. It would take more than one so I’d shrink pieces of shrink sleeving onto duplicate colours & keep careful notes of colour changes as I went along.
Take a look here for cable etc:
http://www.vehicle-wiring-products.eu/
Dave
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ABS multiplug wheel sensor pins MK IV or MK 20
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Battery drain
« Reply #18 on: Jan 18th, 2016, 2:12pm » |
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Bob, I think you will find that the wire sizes are indicated on the wiring diagrams BUT newer wires are capable of carrying more current and are thinner. The people at This firm are very experienced and will help all they can. 
The other firm you might need is Here . The guy there is also a great help. You will see that Bob mentions using this stuff in his post. The clear tubing can be slipped over cable thus enabling you to see the original colouring. You should be aware that the 'ready glued' clear tubing will go opaque once heated as the glue runs so I'd avoid that.
Bob no longer has a Scorp but I have his telephone number and will try and contact him to see if he will look at your post.
Good luck. If you take any photos etc or want to add the Bob's article let us know and we can 'unlock' the post to allow an update.
UPDATE. You will see that Dave's posted while I was doing mine!!
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Bobbit
Full Member
Scorpio 2.3 ghia x estate
Posts: 253
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Re: Battery drain
« Reply #19 on: Jan 19th, 2016, 10:00am » |
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Simmo/Dave,
Thanks for the links to the various firms, that's a great help, diagram shows wire sizes, is the new thin wall wire ok for this job?
Thanks again guys, will keep you informed,
Bob
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