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Sensor on back of your transmission sending a poor signal to the computer.Replace sensor will fix problem.
Your cluster is bad. Happened to mine.
Mine did the same thing and it was the alternator going bad.
The car wants you to take it to a certified mechanic, for a change.
It is possible there is a short circuit on your brake light circuit which is pulling the voltage down causing the gauges to go haywire.
You battery could be dead or low on power if the van will not start and the gauges are going crazy.
I had the same problem, also it would run but when it was hot, it would not start until the engine cooled down. my alternator was putting out 12.2 with no load, drew down to 11.9 with load, not dead but poor output. Changed the alternator and the problem went away.
AnswerCheck battery cables for looseness or corrosion Check ground at the end of the battery cableMake sure battery is fully chargedTake a look at the neutral start / transmission range sensor too.
this is common, i have had a few.. its normal for all the gauges to max out then return to normal but to go " crazy " ck battery ground. then if persists pull out control head and ck grds. there. still? send head to spedo. repair shop
If you mean your gauges are going crazy, this is likely the result of a loose or bad ground wire. It could be the ground wire for your battery or any ground wire that is tied into the gauges.
check battery and alternator
It sounds like a wiring issue. There could be a loose wire on the instrument cluster, on behind the fuse block.