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Tacho wire 

 

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 Post subject: Tacho wire
Posted: Thu Feb 01, 2007 4:53 pm 
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I picked up an RSM for my car, and we can't find an appropriate tacho wire.

Tried the cluster, but that wasn't reading properly for some reason.

Tried the diagnostics plug, and that was pretty spot on, but was VERY laggy (ie. when I rev to 4000, the RSM would only read up to about 2500 and then make it's way back down.

Next stop is the ECU, so I need to know what wire it is in there please. I have the 104 pin manual EF XR8. Can anyone help??

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Posted: Mon Feb 12, 2007 10:01 am 
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No one has a wiring diagaram of the EF XR8 Manual ECU???

 

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Posted: Mon Feb 12, 2007 11:08 am 
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i found the taco wire behind the instrument cluster when i hooked up my monster taco .

it was on the right hand side and i cant quite remember but i think it was pink with a green trace and it is very accurate

shame i didnt see this yesterday morning as i had my instrument cluster out and coulda told ya exactly what coulour

 

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Posted: Mon Feb 12, 2007 11:27 am 
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found the dooco for the wire behind the dash it pink with blue not green

http://www.fordmods.com/forums/documents.php?doc=14

 

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Posted: Mon Feb 12, 2007 11:27 am 
Getting Side Ways
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found the dooco for the wire behind the dash it pink with blue not green

http://www.fordmods.com/forums/documents.php?doc=14

 

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Posted: Mon Feb 12, 2007 3:57 pm 
Getting Side Ways
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We found the pink wire on the right hand side of the cluster (can't remember what colour stripe it had, but I can only assume it was pink/green, as we used the same document), but the reading was very erratic.

It would go from 0, up to 30, stay at 30 for half a second, then just stay on 0 until you disconnected the wire & did it again. Not quite sure what was wrong with it.

When we pull it out again, will see if I can find a pink/blue one.

 

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Posted: Mon Feb 12, 2007 5:51 pm 
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Kilma wrote:
We found the pink wire on the right hand side of the cluster (can't remember what colour stripe it had, but I can only assume it was pink/green, as we used the same document), but the reading was very erratic.

It would go from 0, up to 30, stay at 30 for half a second, then just stay on 0 until you disconnected the wire & did it again. Not quite sure what was wrong with it.

When we pull it out again, will see if I can find a pink/blue one.
Wire is pink with dark blue stripe goes to RH instrument cluster plug pin 7 and is a pulsed signal which is converted in the instrument cluster processor :roll: :D

 

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