Peterbilt Fuel Gauge Wiring Diagram. Engine operation if the oil pressure gauge indicates no oil pres sure shut down the engine within page 13. Gear head jul 7 2013 jun 22 2019 peterbilt 1990 379 day cab 3406 b ac problems i have power to dash switch through relay on fuse block fan in cab turns on blows ok.
Fuel tank right fuel tank air dryer fuel filter back up light sw back up alarm optional rh lamp stoptailback lic plate lamp optional main cab harness 66 trailer harness aux 5 228 279 227 8 66 aux 66 5 228 279 8 8 227 8 227 279 228 5 aux 279 228 aux trailer plug 5 acc power 239 239 269 spare rh turn lt 433 431 a433 a433 429 437 a431 429 429 rh speaker lh speaker speaker. Use this video as a referenceheres a link to. I am working on a 06 379 peterbilt and my fuel gauge dont work.
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Also includes the next peterbilt schematics of the 2020 year. An old school approach to quickly diagnose your fuel sending unit and the gauge. Includes wire colors connector locations connector pin outs circuit positions connector illustrations. Trol units wiring diagrams the sae j1708 data bus external sensors and other components that are not part of the instrumentation please refer.