UMA 2-1/4 Inch Electrical Oil Press Tach 0-130 PSI Rotax 912/914 2 1/4" Air Core (270° Sweep) |
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This is the correct tach for your application. The white wire from the sender will go into pin 5 of the DB 9 connector. The red wire will go to pin 2 and the black wire will go into pin 8. You will then need a jumper from pin 2 to pin 1 which will be connected to power. Also a jumper from pin 8 to pin 9 which will then go to ground.