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ca18 conversion - Tacho wire location


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2 replies to this topic

#1 Cheddle

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Posted 18 May 2009 - 11:41 AM

i wanna get my stock tacho working and im going to run 4 one-way diodes to get the signal but rather than find the wire at the back of the dash i wanna do it the lazy way... i wanna know where/what the tacho signal wire is in the engine bay. assuming the ca20e gets the tacho signal from the loom that goes into the same loom as the wiper motor/cruise control ect...

im assuming this as my ca20e ecu/loom did not have the CAS or the coil wiring on it, they were part of the other loom that runs the wipers ect...

the only other possible location of the wire i can think of is the little plug thats right behind the grommet the ecu loom goes thru... is one of those the tacho??
- S12 notch SGL-x - CA18DET REBUILT w/ 160 RWKW @14 PSI - coil-overs front+ falcon/commo rear - $5,000!!! 0407815680

#2 gadget1382

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Posted 18 May 2009 - 12:24 PM

I traced it back to the junction box, i didnt bother tracing it back into the engine bay. :s

Best of luck finding it!

#3 Cheddle

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Posted 18 May 2009 - 01:00 PM

I traced it back to the junction box, i didnt bother tracing it back into the engine bay. :s

Best of luck finding it!



not to sound dull... but where is this junction box.. and what wire am i attacking/splicing in my diodes wire to??
- S12 notch SGL-x - CA18DET REBUILT w/ 160 RWKW @14 PSI - coil-overs front+ falcon/commo rear - $5,000!!! 0407815680




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