Dash gauges gone crazy - Ford Powerstroke Diesel Forum
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Old 02-01-2011, 05:59 AM
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Dash gauges gone crazy

Over the last 2 days my gauges on a 02 7.3 will peg out for a few seconds and then everything goes to zero and then back to normal. The motor runs like normal. Any ideas Also I don't have a chip. Any ideas what is causing this?

Last edited by mhorne; 02-01-2011 at 10:13 AM.
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Old 02-01-2011, 12:42 PM
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did you figure out the problem. my dad's 02 did this when a battery went bad, but his also wouldn't turn over fast enough to start. just throwinf my two cents in.
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Old 02-01-2011, 12:51 PM
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Same thing when I had an alternator go bad. the gauges would shoot from zero to max then back off but the truck ran fine.

I could smell battery acid under the hood and the batteries were getting more charge than they needed.
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Old 02-01-2011, 03:06 PM
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Thanks for the help I will have my alt checked tomorrow. I still don't understand why they didn't put volt gauge in the dash.
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Old 02-01-2011, 04:48 PM
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check your battery connections. if you disconnect both bat's and reconnect the dash does that, or if the connections are removed from the back of the dash pod, also check the reset/select button, if its stuck it could be trying to enter the dash test mode. If you search the diesel stop forum you will find a thread with the full test procedure for the gauge cluster.
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