Gas gauge question!

R

rockyrr

Member
Joined
May 5, 2007
RO Number
26166
Messages
29
I want to add a 2nd gas gauge on my 21' Walk-Around with a Yamaha 150. I connected the 2nd gauge and it works fine, that is until I turn on the boat's ignition and the new gas gauge doesn't...goes to reading E for empty. Also, with the 2nd gauge connected and ignition on, my Yanaha gauge doesn't work. When I disconnect the new gauge, the Yamaha gauge goes back to working normally. Is there a way I can correct this so both gauges work when ignition is on?

Thanks,
 
I believe you have to put an on-off-on switch in the circuit so you will be able to read only one gauge at a time. Why would you need two gauges on a 21' boat?
Al
 
Is this to run 2 fuel level gauges off of one sender in 1 tank? If so, to run both gauges at once you need a 2 station sender that has 1/2 the ohms resistance at any given level, and both gauges and the sender have to be either US /standard ohms range (gauges approx 240 ohms empty to 33 ohms full, sender approx 120 ohms to 16 ohms full) or if Euro/metric standard gauges and sender: 2 gauges 10 ohms empty to 180 ohms full with sender 5 ohms empty to 90 ohms full.

http://faria-instruments.com/site_manuals/IS0085E.pdf
 
Did you wire them in series or parallel or do the both have their own power feeds?
 
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