Dumb Question about Can Bus System. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

jorgensensc · 05-20-2013, 07:12 PM

So I'm trying to figure out something regarding My fuel System. My fuel level sender needs to send the signal (ohms) 240-33 range and also a 5 volt reference to the ecm for my gauges to work. Can I use a regular aftermarket sender (240-33 ohms) and use the ground wire as the 5 volt reference? I'm confused on exactly what the 5 volt reference is and what it is used for. I've got a reasonable fuel system figured out, I'm just having difficulty with the fuel sending system. I must use the Can Bus system for my gauges. Any ideas or help?

05-20-2013, 07:12 PM	#1
jorgensensc Registered User Join Date: Jul 2003 Location: Cypress, Tx Posts: 4,005	Dumb Question about Can Bus System. So I'm trying to figure out something regarding My fuel System. My fuel level sender needs to send the signal (ohms) 240-33 range and also a 5 volt reference to the ecm for my gauges to work. Can I use a regular aftermarket sender (240-33 ohms) and use the ground wire as the 5 volt reference? I'm confused on exactly what the 5 volt reference is and what it is used for. I've got a reasonable fuel system figured out, I'm just having difficulty with the fuel sending system. I must use the Can Bus system for my gauges. Any ideas or help? __________________ 1972 C20 Suburban- Big Blue Betty '56 Chevy Bel Air Sedan- Frame up Restoration -What would you attempt to achieve if you knew you could not fail?- -I Refuse To Tiptoe Through Life, Only To Arrive Safely At Death's Door- R.I.P. EAST SIDE LOW LIFE



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