
FLYBYU
VIP Member
Where did you guys wire tach signal to on an apex?
mbarryracing
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You need to get a distributorless ignition tach adapter that splices into, or pickup clips onto, one of the ignition coil lead wires in the harness and converts the signal to a square wave output so the ProLogger or any data aq can use it.
I have used an MSD 8913 or a 8918.
I have used an MSD 8913 or a 8918.
prologger
I used purple wire from prologger to white wire with black tracer that goes to cam position sensor on top of cylinder head. Works great.
I used purple wire from prologger to white wire with black tracer that goes to cam position sensor on top of cylinder head. Works great.

FLYBYU
VIP Member
mbarryracing said:You need to get a distributorless ignition tach adapter that splices into, or pickup clips onto, one of the ignition coil lead wires in the harness and converts the signal to a square wave output so the ProLogger or any data aq can use it.
I have used an MSD 8913 or a 8918.
I thought was only for the nytro's

FLYBYU
VIP Member
According to Mountain Performance the Apex does not need the adapter. It has a cam sensor
prologger
My sled is apex not nytro.
My sled is apex not nytro.
mbarryracing
TY 4 Stroke God
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2015 SR Viper RTX-DX
1996 Vmax 600XT
I guess that makes sense. My first ProLogger installs were on Nytros, so then afterwards did the same thing on an Apex just assuming.

FLYBYU
VIP Member
Now you can save money on your next apex install

FLYBYU
VIP Member
One more question. Can hook the map sensor wires to my current RB3 map sensor?
prologger
I tried to combine wires into rb3 map sensor and it does not work.Not enough voltage to make rb3 and prologger work properly. I run seperate map sensors and both units work fine.
I tried to combine wires into rb3 map sensor and it does not work.Not enough voltage to make rb3 and prologger work properly. I run seperate map sensors and both units work fine.
mbarryracing
TY 4 Stroke God
- Joined
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- Reaction score
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- Location
- Springville NY
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- USA
- Snowmobile
- 2006 Yamaha Attak Turbo
2015 SR Viper RTX-DX
1996 Vmax 600XT
On my Apex cam sensor harness there is an all white wire, black with blue tracer, and a blue with white tracer.
Should I be using the all white wire then?
Thanks
Should I be using the all white wire then?
Thanks

FLYBYU
VIP Member
It's white on one side and white with black on the other side of the plug. Set the cylinder select to 1. Yes that's the one.
mbarryracing
TY 4 Stroke God
- Joined
- Aug 31, 2007
- Messages
- 1,923
- Reaction score
- 192
- Points
- 1,078
- Location
- Springville NY
- Country
- USA
- Snowmobile
- 2006 Yamaha Attak Turbo
2015 SR Viper RTX-DX
1996 Vmax 600XT
Cool, thanks 

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