Gauge lights - do they all have to work?

[Sci85]

I'm troubleshooting my gauge lights and was wondering if all the bulbs on the circuit have to be working for any of them to light up? Right now, none of my gauges on the grey circuit light. I've only changed the cluster bulbs but not the license plate bulb.

Also, when checking for voltage on the grey and blck/wht, am I looking for 12v on that or 3.4v?

Thanks

[duaneage]

13 volts on the grey
Check your connections. Provide a better ground for the black

[Sci85]

Ground is fine. That's the common ground and all other lights working fine. All bulbs replaced expect the fuel gauge which I'm short one bulb so just wondering if they all have to be working for any of them to be working?

[Agemax]

it wont matter if one is missing, the rest should light up as normal. the lamps are 12v, 3.4watt (not 3.4 volts)

[Sci85]

Oh ok thanks Agemax.

Next question - where does the grey wire get power?

[Redman]

Oh ok thanks Agemax.

Next question - where does the grey wire get power?

Jumper wire (where used to be headlight switch in previous years) in a connector fron the Org/Grn circuit, and org/Grn circuit is straight from a fuse.

.

[Sci85]

Ok, looking at a schematic it appears the grey wire connects to what is labeled Y/W at a connector that also has the coil wires. The Y/W is connected to O/R at the connector. So, O/R powers Y/W which grey is jumpered to. That sound accurate?

[Sci85]

Alright, I found the issue. Bad connector. Man, I really need to make a new harness one of these days...