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Topic: Electrical problems..... (Read 2474 times) |
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bikealarmblair
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Electrical problems.....
« on: Mar 21st, 2006, 7:19am » |
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Hi all first post!
My parents have a 98 (ish) 2.3 scorpio ultmia.
Over the last few days the indicators/wipers have intermittantly packed up while driving then fixed themselves.
Last night the car wouldn't start at all (no ignition lights, not cranking over) so I went & had a look for them. I found that @ the igniton switch the green ignition wire had 0volts on it so thought the contact had failed so decided to get the get the car going I'd bridge the green & black together but even apply voltage directly to it didnt bring the dash warning lights on.
I've had a quick peek round the forum & see that water/damp fuse boxes are an issue (all covers are intact & on the surface they look dry) so guess thats my starting point.
unless anyone has any other suggestion first?
thanks
Blair
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Dave
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Tourmallard 24v (ex-owner)
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Re: Electrical problems.....
« Reply #1 on: Mar 21st, 2006, 9:47am » |
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Hi Blair,
welcome to the site 
My first port of call in this situation would be the fuse boxes. As this failure seems to have occured over a few days I would check that all the fuses are clean and in their place properly. Try replacing any that look suspect. It may also be the case that the fuse box covers are not on correctly, the one on the drivers side can be a bit tricky to refit. If so then you need to check for any water damage.
Also check the the large multiplug that goes to the drivers side fusebox is properly attached; it has 2 lugs that need seating before it is clipped into place or it will cause problems.
See how you get on.
HTH
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bikealarmblair
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Re: Electrical problems.....
« Reply #2 on: Mar 21st, 2006, 5:11pm » |
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cheers for that
does the fuse box come out? or is it a case of fiddling around under the dash?
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Snoopy
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Re: Electrical problems.....
« Reply #3 on: Mar 21st, 2006, 5:23pm » |
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It does come out but needs some acrobatics from what I understand.... see here http://www.fordscorpio.co.uk/fusebox.htm
But don't be put off a lot of people on here have completed this task and will no doubt tell you .
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bikealarmblair
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Re: Electrical problems.....
« Reply #4 on: Mar 22nd, 2006, 2:50pm » |
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cheers although I rarely do nowdays I worked on car electrics fro many years so the fuse box shouldn't be too daunting if thats what it proves to be.
can anyone confirm (cause I can't remember) if the green wires (at the switch) is an ignition live?
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bikealarmblair
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Re: Electrical problems.....
« Reply #5 on: Mar 22nd, 2006, 4:02pm » |
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right its looking like the fuse box 
also found that ignition switch wasn't making contact with green ignition wire.
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Snoopy
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Re: Electrical problems.....
« Reply #6 on: Mar 22nd, 2006, 4:03pm » |
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Wiring Diagrams are here although it says "sierra" they are for the scorpio http://www.carsoft.ru/avtorepair/sierra_el.html
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bikealarmblair
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Re: Electrical problems.....
« Reply #7 on: Mar 22nd, 2006, 4:37pm » |
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left hand (battery side ) fuse box stripped & its as dry as bone! not happy with one of the four pin relays so going to replace that before I strip the left hand fuse box.
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bikealarmblair
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Re: Electrical problems.....
« Reply #8 on: Mar 22nd, 2006, 5:10pm » |
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thats the first one done! fingers crossed...
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Paul B
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'98 24V Ultima saloon
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Re: Electrical problems.....
« Reply #9 on: Mar 22nd, 2006, 7:16pm » |
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on Mar 22nd, 2006, 4:37pm, bikealarmblair wrote:| left hand (battery side ) fuse box stripped & its as dry as bone! not happy with one of the four pin relays so going to replace that before I strip the left hand fuse box. |
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Just out of interest, which relay was f***ed corroded?
The thing is, my box appears dry too, but still having the odd problem 
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bikealarmblair
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Re: Electrical problems.....
« Reply #10 on: Mar 22nd, 2006, 7:22pm » |
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thats the 2nd one done! bone dry too
@ paul R21
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Paul B
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'98 24V Ultima saloon
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Re: Electrical problems.....
« Reply #11 on: Mar 22nd, 2006, 7:29pm » |
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Hmm... 'Ignition Lock'
Someone else was experiencing a problem with that last week I think
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bikealarmblair
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Re: Electrical problems.....
« Reply #13 on: Mar 22nd, 2006, 11:19pm » |
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does anybody have a wiring diagram? for the lights, indicators & front wipers.
it seems that I've losing power to stuff thats on the steering colum maybe its all powered from the same relay?
I've read that the indicator relay is near the ignition switch but I can't find it 
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Paul B
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'98 24V Ultima saloon
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Re: Electrical problems.....
« Reply #15 on: Mar 23rd, 2006, 6:11am » |
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on Mar 22nd, 2006, 10:19pm, Simmo wrote:
Well there's that stuff as well, but I'm sure there was something else about the Ignition Lock relay and what it actually does. Maybe it was on the mail list instead
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bikealarmblair
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Re: Electrical problems.....
« Reply #16 on: Mar 23rd, 2006, 7:06am » |
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thanks simmo (& snoopy) but unless I'm looking in the wrong place it doesn't show any components of the indicator system
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Simmo
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Re: Electrical problems.....
« Reply #17 on: Mar 23rd, 2006, 7:22am » |
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Have you scrolled down to Hazard and direction indicators?. That shows the indicator relay in diagramatic form. I am sure someone on here must know its actual location.Have you looked behind the steering column shroud?.The scematic diagram seems to have it on the indicator unit.
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Paul B
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'98 24V Ultima saloon
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Re: Electrical problems.....
« Reply #18 on: Mar 23rd, 2006, 12:13pm » |
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on Mar 23rd, 2006, 7:22am, Simmo wrote:| ..... I am sure someone on here must know its actual location.Have you looked behind the steering column shroud? |
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I believe thats exactly where it is!
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bikealarmblair
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Re: Electrical problems.....
« Reply #19 on: Mar 23rd, 2006, 6:35pm » |
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on Mar 23rd, 2006, 7:22am, Simmo wrote:| Have you scrolled down to Hazard and direction indicators?. |
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errr 
better go back & have another look
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