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1989 Volvo 745t main supply 30amp fuse. 700

posted by  Nahtanha on  Thu May 19 18:15 CST 2022
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last visit: Tue May 20 10:10 CST 2014
[RELATED]

I rewired the 30 amp fuse holder for the main relay due to melt down. Today my main dual relay melted part of the relay socket. Had to pull the whole fuse/relay tray out and install another relay. Question is what and why is the power draw so much and the 30 amp fuse was fine and just warm. I'm checking the wiring to both pumps and ground wires. Main pump is new with low mileage and the intank pump is about 3/months old. Any Ideals about the causes of the circuit overheating. Care runs smoothly until things heat up in the relays.






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