Technical > Wiring & Sensors

Stock AE86 Rev counter

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Will:
Has any one got the Vems rev output working with the stock Rev counter?
If so where can I find the wire I need to connect to the dash on the AE86 loom?
Had a good look about on the various AE86 sites but can't find much info.

Thanks

rob@vems.co.uk:
try taking a wire with a 12v feed and a 300R to  1K resistor, and the AE86 revcounter wire and bang them off each other to see if you get any movement on the rpm - the quicker you make and break the connection the more the RPM needle should move.

If theres no movement its because the tacho needs more of a voltage kick, and we'll need to work that out when you've done the 12v test.

It might be worth using your diode pair connected to coil 3&4's ground wires. like you did with the coilpack from before...

Rob

Will:
I never got round to doing that Diode method as I don't know where the wire in the loom (car side etc) is for the speedo. I know its meant to be down the left hand side passenger foot well area where that relay board is, other than that no idea really?

rob@vems.co.uk:
Well eitherway you're going to need to find it for this one ;)

Rob

irishtwincam:
Black with orange stripes, coming out of plugs by the stock ecu.
If its an early model, its on the bulkhead connector that splits in two behind the intake/engine.
Same colour scheme.

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