Hello All!

This is my first post on the forum. I’ve read posts and everyone in here seems incredibly friendly and helpful so I’m hoping someone out there can maybe help me diagnose a problem I’m having.

There was a similar post from another user that purchased a speedo and tech from Dime City Cycles. I liked the look of them so I went with the same set. I believe I got the speedo wired up correctly but I’m having trouble with the tacho.

The Dime City Cycle tacho has the 4 wires you’d expect:

Green - negative
Red - power
Yellow - backlight
Black - ground

I’ve connected the green to the B/Y of the ignition coil.
I’ve connected the black to the frame.
(This part I think is what’s causing an issue) - Ive spliced the red and yellow together, and connected those to the B/R that is connected to the horn.

I do not have the fuel tank attached yet so I’m just testing the electrical connections, and I assumed I would get the backlight of the tacho when ignition is turned to ON position. I have the speedo light, but I do not get the tacho light to come on and I’m running out of things to try different. I feel like everything should be connected properly. Im not in front of the bike at the moment, so I don’t have pics, but I can provide them if anyone thinks they’ll help.

Am I overlooking something here? The bike doesn’t need to be STARTED for me to see the tacho light, does it…?

Thanks everyone!
- Evan

Ugh, I’m hoping that’s not the case either..I just checked and it’s a 60mm model. Let me see if I can attach pic: