Help finding Speedometer sender on a '85 915

[hahnmgh63]

I have a '85 915 with limited slip that I'm using with my 3.6 conversion and I can't find the speedo sender, the tranny is in the car but there is only a plug where the speedo sender should be and I've looked on both sides of the differential? Could it have been moved in this year to the top? The wire that would normally hold it in place is there bolted to the tranny an the right side but there is only a plug in place? I installed it in the car almost two years ago but it has been a slow project and it was in the paint shop for over a year (don't ask, it was slow and overpriced). I'm wondering if I can't just pull the plug that is there and stick a sender in there. I hope the diffenential is set up for a sender there. Any help will be appreciated. Hopefully John Walker will read this as he rebuilt the tranny for me when I got it although as I said, it was over two years ago that he rebuilt it. MGH

[hahnmgh63]

Actually a '86 tranny but please, anyone got any ideas? Thanks, MGH

[hahnmgh63]

Bump, one more try?

[Joe Bob]

Front of the trans...

[78targa]

uhh, the speedo sender location should be the same for all 915's, right? The sender is a about a 3/4" disk with two wires coming out of it. the wires then should lead towards the tunnel where they will plug into the harness.

All the sender is is a reed switch that closes as the magnets on the diff go wizzing by. It might be the "plug" you are referring to is actually the sender. It is held in place with a wire tab that is secured by a very small bolt.

Could that be it?