Recently I replaced the rear signals due to broken rubber stem/stalk.
I thought it was a straight forward job.
Surprise #1
My fault actually. I assumed both harness end connectors are the same type but the Pontedera designers had thoughtfully designed male and female pins for Sinistra and Dextra so that Luigi in Mandello won’t mix up the left and right. I only found out before I was about to button things up, no big deal, just re-crimp the connectors.
Surprise #2
Alright, everything looks neat and tight, turn on the key switch, thumb the turn signal switch to left, Great! Rear right signal is blinking and vice versa. I thought I have check the wiring diagram for colours before I crimp the connector, now I am quite sure the wiring diagram was drawn by the same guy who prepared the service manual. On my bike, Red-Blue is LEFT and Azura-Blue is RIGHT!
Conclusion:
- Do no assume the wiring diagram is correct, at least for the turn signals circuit.
- When ordering original Griso turn signals, besides the orientation of the water drain on the lens, connectors are dedicated too, left and right are not interchangeable.
I thought it was a straight forward job.
Surprise #1
My fault actually. I assumed both harness end connectors are the same type but the Pontedera designers had thoughtfully designed male and female pins for Sinistra and Dextra so that Luigi in Mandello won’t mix up the left and right. I only found out before I was about to button things up, no big deal, just re-crimp the connectors.
Surprise #2
Alright, everything looks neat and tight, turn on the key switch, thumb the turn signal switch to left, Great! Rear right signal is blinking and vice versa. I thought I have check the wiring diagram for colours before I crimp the connector, now I am quite sure the wiring diagram was drawn by the same guy who prepared the service manual. On my bike, Red-Blue is LEFT and Azura-Blue is RIGHT!
Conclusion:
- Do no assume the wiring diagram is correct, at least for the turn signals circuit.
- When ordering original Griso turn signals, besides the orientation of the water drain on the lens, connectors are dedicated too, left and right are not interchangeable.