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Where is the speed sensor wire in the ECU Located?? PICS Inside..

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Old 02-08-07, 06:43 PM
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Lightbulb Where is the speed sensor wire in the ECU Located?? PICS Inside..

I just bought the Defi link-display and i need to attach the speed signal wire to the ECU. but im having problems which wire it is to splice on... i have a mazda factor book and gives me the layout of the ECU. i see "IM" as the "Milage sensor" could this be the wire im looking for. please help?
Attached Thumbnails Where is the speed sensor wire in the ECU Located?? PICS Inside..-ecu-1.jpg   Where is the speed sensor wire in the ECU Located?? PICS Inside..-ecu-2.jpg   Where is the speed sensor wire in the ECU Located?? PICS Inside..-ecu-3.jpg  
Old 02-08-07, 09:58 PM
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It's in the INSTRUMENT CLUSTER, not attached to the ECU. Goes from the to the Cruise Unit and the other stuff I don't care about.
Old 02-08-07, 10:19 PM
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http://www.rx7city.com/Manuals/88%20...ELECTRICAL.pdf

Page 85, it looks like you just have to tap into the P/S connector for it. On a similar note, what type of output is this? (voltage, pulse, etc.)
Old 02-08-07, 11:34 PM
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Originally Posted by papiogxl
http://www.rx7city.com/Manuals/88%20...ELECTRICAL.pdf

Page 85, it looks like you just have to tap into the P/S connector for it. On a similar note, what type of output is this? (voltage, pulse, etc.)

Pulse 4. you got a pic where i can locate the wire???
Old 02-08-07, 11:42 PM
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Go to the Cruise Control Units plug and look for the green/red wire.

Or go to the Pwr Steering Control Units plug and look for the green/red wire there.

Or if you had an automatic transmission, go to the ECAT Control Unit and look for the green/red wire at the ECAT.

What are you looking for to use that wire for?
Old 02-09-07, 12:00 AM
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Originally Posted by HAILERS
Go to the Cruise Control Units plug and look for the green/red wire.

Or go to the Pwr Steering Control Units plug and look for the green/red wire there.

Or if you had an automatic transmission, go to the ECAT Control Unit and look for the green/red wire at the ECAT.

What are you looking for to use that wire for?

im installing the defi link display. for MPH or KPH
Old 02-09-07, 12:12 AM
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if you have cruise control i beleive you can get the signal from the cc ecu. its a green and white wire from what i remember.. thats the wire i used for my turbo timer a while back
Old 02-09-07, 11:54 AM
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Red face Behind The Cluster

Is this where the green/red wire are at?????
Attached Thumbnails Where is the speed sensor wire in the ECU Located?? PICS Inside..-defi-2.jpg   Where is the speed sensor wire in the ECU Located?? PICS Inside..-defi-wire.jpg  
Old 02-09-07, 06:15 PM
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Originally Posted by fleetcolormike
Is this where the green/red wire are at?????

Gosh no. That is the cruise control SWITCH. You want to go to the Cruis Control Unit located near your left foot. A few inches aft of the interior fuse box.

What kind of book are you looking at? It seems a good book but your not looking in the right places. Is that the Wiring Diagrams??????? book????

I looked at the seies five wiring diagrams online yesterday and it was a green/red wire leaving the instrument cluster and still green/red at the cruise control unit and pwr steering control unit.
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