So far based on others on the forum thanks to a website that another person posted "sorry I can't give credit at this time" thanks to the sycmatics fro their post and that site I found out that everything comes off circuit 19. All my fuses have been replaced by breakers and they all test out good but still no power up top. There is power up at the cb and when I piggyback off that source everything comes back on except my dash lights. So I have power at the fuse box going out and I can make everything come one by putting power at the stereo. Can anyone think where the power is being cut off between the two. I also have power at at the main buss where the big wires come in.
Lost power to stereo and interior lights on 98 Pete 379
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Blue streak 64, Aug 10, 2017.
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Ignition relay behind left panel of 379. You'll find 2 relays there. Should be the one on the left. You can jump across the 2 larger wires and verify. Then make sure you have Ignition power and ground to the 2 smaller wires. If everything powers up when jumped, and you have power and ground when the Ignition is on, replace the relay. About 40$ from Pete, and about 20$ from Oreillys
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