I have a 20 579 it’s got 6 guages on dash, manifold,oil temp,2 suspension load guages and two diff temp guages. The 2 diff temp and suspension #2 guage aren’t working it l they light up but don’t read. The other 3 work fine any ideas?????
2020 Peterbilt 579
Discussion in 'Peterbilt Forum' started by tsanders1972, Sep 10, 2023.
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You should be able to move the gauges around and they work in any position.
I’d give the jumpers a good wiggle and see if they start working. If not, then move a working gauge to a non working position.
@Goodysnap -
I’ll try that thanks. The bottom middle and two on left will not read but have a light
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Last edited: Sep 10, 2023
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Look at your rear ends make sure the wire to sensor is their and hooked up.
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They are there and hooked up
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