LS swap Speedo sender type...

[bs46488]

Hello,

Looking for a little help on the wiring for my LS swap.

I purchased an electric speedometer from Speedway Motors and having a little trouble determining which type of sender is coming from the LS? If it matters I installed a 5.3 with a T56

The three options for the speedo can accept are as follows:

3-wire Hall effect sender with output 3 to 15 V
2-wire magnetic sender with 1.2 VAC min
5V square wave (cmos)

Then they give the wiring options as follows:

Yellow wire to magnet sender
Blue to magnetic sender
Green to hall effect sender

Any idea of what type/color wire I should hook the VSS up to on this speedo harness?

Thanks,
Brian