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Flickering lights,gauges...WTF???

1985K20

1/2 ton status
Joined
Jan 11, 2005
Posts
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Location
Quebec,Canada
The truck done that to me 2 or 3 times now: It happened when i first start her up in morning,the gauges,radio lights,cab lights...was flickering on and off for about 5 to 10 seconds then everything came back to normal.

For a little while now i also noticed that when i put headlights on, all my gauges(oil,bat,temp) will either go up or down a bit :confused:

Now i donno where to start to look at to find problem, is there a main power feed goin to fuse block? Seems like the problem is somewhere before fuse block since everything acts up together :dunno:
 
Possiblly the voltage regulator on the alternator and also could have a bad ground somewhere
 
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