Gymrex GR-MG74 Manual De Instrucciones página 53

6. Secure the display control panel to the square baseplate at the end of the
handlebar post.
7. For model GR-MG75 / GR-MG78: Plug the harness connectors extending from
the frame tube to the respective receptacles on the back of the control panel:
"SENSOR" and "PULSE".
8. Thread in the pedal platform ends into the holes in the crank levers on both
sides of the flywheel assembly cowl and secure with the nuts included.