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Topic: 1998 24V electrical gremlins (Read 2752 times) |
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Uwsdutchy
Newbie
Car nut newbie!
Posts: 3
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1998 24V electrical gremlins
« on: Mar 26th, 2014, 9:14am » |
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Hello there - my Cossie playing up.
Sometimes, when driving, the instrument cluster, a/c, sunroof, indicator lights, cruise control, window wipers just stop working, collectively.
Everything goes blank, but dash lights remain on. Radio still works, car keeps running! However, when you switch the engine off, it subsequently refuses to start (half second burst of the starter engine, not enough to start the car). Battery is full, all the various fuses check out (both boxes). Car is bone dry - always stored indoors.
If I turn the ignition on & hotwire the starter motor with a screwdriver, the engine starts without a hitch. However, now the occasional problem persists (great - in Lux - driving to NL) - engine runs fine, but not a lot of electricals...
Any input very welcome - not having indicator lights, window wipers & having to drive around with a rather large screwdriver is freaking people out :-D
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1998 Ford Scorpio 2.9-24v; 1989 MB 2.5-16; 1989 Reliant 1800Ti; 1986 TVR 280i; 1994 Porsche 993 C4; 1985 MB 500 SEC; 1982 MB 280SE; 2010 Volvo V70 2.0T
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: 1998 24V electrical gremlins
« Reply #1 on: Mar 26th, 2014, 9:43am » |
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Regarding the non starting,it sounds almost as if the ignition switch is at fault whereby when turned to the start position the ignition circuit is disconnected temporarily,some thought and trawling of wiring diagrams would be needed to diagnose the rest though.
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Uwsdutchy
Newbie
Car nut newbie!
Posts: 3
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Re: 1998 24V electrical gremlins
« Reply #2 on: Mar 26th, 2014, 1:46pm » |
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Thx - been picking at the ignition switch with this thought. All appears well there.
What happens is that literally 80% of the dash shuts down, all dials to zero, no more wipers / indicator lights / electricals for the power roof, climate control blank... All this with the engine running as sweet as a nut!
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1998 Ford Scorpio 2.9-24v; 1989 MB 2.5-16; 1989 Reliant 1800Ti; 1986 TVR 280i; 1994 Porsche 993 C4; 1985 MB 500 SEC; 1982 MB 280SE; 2010 Volvo V70 2.0T
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Andycan
Full Member
I'm a YaBB newbie!
Posts: 565
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Re: 1998 24V electrical gremlins
« Reply #3 on: Mar 26th, 2014, 3:33pm » |
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This would suggest that it is either the loom behind the dashboard or a connector block if there is one as the starter only works on the furthest position which returns and all the other things that go wrong are on the normal driving position and if it was that position that was wrong then surely the engine would stop
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: 1998 24V electrical gremlins
« Reply #4 on: Mar 26th, 2014, 7:48pm » |
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You could check the main fusebox multiplug it uses an open hinge for location, if it’s not correctly located you can get strange intermittent faults as some of the pins barely make contact. Details here:
http://www.fordscorpio.co.uk/cgi-bin/yabb/YaBB.pl?board=admin;action=dis play;num=1267895931
Check it very carefully, it’s so easy to get it wrong. You may find a little dimple on the corner of the fusebox lid doesn’t quite meet the fusebox in that area if it’s not right.
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ABS multiplug wheel sensor pins MK IV or MK 20
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