Yamaha Fuel Gauge ALWAYS blinks low fuel

[deltajetfixer]

Please pardon me if I'm in the wrong forum.<br /><br />Just yesterday my Yamaha fuel gauge started showing that I was at "Critical Fuel" by the very last bar blinking...despite having a full fuel tank. <br /><br />Connections underneath the console to the gauge look pristinely clean and are encased in their waterproof, transparent connectors.<br /><br />I have looked at the sender connections at the tank sending unit and they look like they could use a good cleaning. Any suggestion on how to test once I have the connections loose? One is a pink wire going to the sender center terminal and the other is a double "daisy-chained" ground to the tank body and outer portion of the sending unit.<br /><br />The boat is a 2002 Cobia 234 CC. The Fuel gauge is an LCD type that is built into the spedometer.<br /><br />Thanks!

 

[rodbolt]

Re: Yamaha Fuel Gauge ALWAYS blinks low fuel

the pink is send, ground the pink to a known good tank ground, you may wish to check your tank grounds as well. once you have determined a good ground,with the key on, connect the pink at the sender to ground. wait 20 seconds or so and the guage should react. if not you may have a bad ground or connection between the pink wire and the guage white wire.<br />the color changes at the meter.<br /> if it reacts you most likly have a bad sender.

 

[deltajetfixer]

Re: Yamaha Fuel Gauge ALWAYS blinks low fuel

Thanks! I will try it and post the results.