XJ40 ( XJ81 ) 1986 - 1994

XJ40 v12 problem like inertia switch

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Old Nov 3, 2011 | 03:26 PM
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Default XJ40 v12 problem like inertia switch

Hello guys,
first at all sorry for my bad english its not my native lang.!
I am really confused just buyed a xj81 and now i have the problems what looks like the inertia switch is gone but i checked it the inertia switch is fine, but still no Power... what can it be also?
I found a broken (-)wire under the anntena where should it be connected? Is it one for the Ecus where are also there?
Would be nice if anyone can help out!

greatings from Austria
 
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Old Nov 3, 2011 | 03:40 PM
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Welcome to the forum, blubly:
A tripped inertia switch would completely immobilize the engine - it would not even crank. If the switch is NOT tripped and the car will still not crank, the first thing I'd do is have the battery checked. These cars demand good batteries with strong charges.

cheers,
Scott
 
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Old Nov 3, 2011 | 03:53 PM
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U missunderstand the Symtoms are the same like the inertia switch
Light (inside) Windows etc all work radio light also ok!
But the Instruments not work no Gauges etc only the light goes on if i switch the light on!
 
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Old Nov 3, 2011 | 03:54 PM
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And where is this (-)wire to connect maybe to ECU?
 
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Old Nov 3, 2011 | 03:58 PM
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Hi Blubly welcome to the forum.

Best thing to do is list your problems and what you see.

I also would say, check battery.

BUT, CHECK THAT YOU ARE IN PARK OR NEUTRAL, otherwise it will not crank.

Maybe HIT the gear stick into PARK position.

There is a history of worn park/neutral switches.
 
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Old Nov 3, 2011 | 04:16 PM
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I know the problems with P/N.. its hard to say it in englisch!
No Power at Gauges no cranking (like a tripped inertia switch but he is fine)
but i have Power at Windows Interiorlights!
Battery is also ok!



my park/neutral switches are new that was a also a Problem but found it pretty quick by myself

this wire i mean its broken but dont know where to put it


I know there is rust i am rebuilding this xj81 but at first i need the electric fixed!And it started allready and was fine to drive but since yesterday i have this new problem!
 
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Old Nov 3, 2011 | 04:49 PM
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I found the correct word i think! my Dash has no Power no controll lights nothing
 
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Old Nov 4, 2011 | 07:47 AM
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It feels like the Key does nothing
Poistion 1 i hear a Reals
Position 2 i hear nothing

Horn Works
Radio Lights Works but not the Radio
Dashboards no Power no Controll light
No lights at the Gearshifter
No Fuelpump Sound etc

Sorry but where is the edit button !

greatings and please help
 
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Old Nov 4, 2011 | 11:11 AM
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I found out that the Fuse A5 (memories lighting logic) burns all the time down... and in some other forums i read thats may the reasons why nothing works but what hangs all on this fuse to find the the errors more easy!
greatings
 
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Old Nov 4, 2011 | 04:40 PM
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blubly:
So... Is the car running? Was the only problem a blown fuse? If so - lucky!

Scott
 
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Old Nov 7, 2011 | 07:28 AM
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Yes its running a Wire from the Radio was broken!
This Damm fuse freaking 3 Amp Fuse....
 
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