[FWDLK] Fwd: [FWDLK] WHAT CAUSE GAUGE NEEDLES TO GO UP AND DOWN
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[FWDLK] Fwd: [FWDLK] WHAT CAUSE GAUGE NEEDLES TO GO UP AND DOWN



Where would one get a replacement one of these limiters and is there something similar on the gas gauge of a 67 dodge coronet thanks
 
Jimmy




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--- Begin Message ---
  • From: Ray Jones <hurst300@xxxxxxxxxxxx>
  • Date: Tue, 2 Oct 2007 15:36:28 -0500
Ron;
On the back of the Instriment cluster, is a Voltage Limiter (regulator). It's a little silver rectangular metal box with two plugs. sounds like that is your problem. It supplies not only 5 volts or so, but a steady 5 volts. It evens out the normal variations due to engine speed. Most I've seen are just plugged on to the printed circuit board.
Ray


On Oct 2, 2007, at 1:54 AM, David Homstad wrote:

Ron,
 
I had a 64 Dodge Coronet with a similar problem, many years ago. All the voltage dependant gages (fuel, temp, oil) would be normal, and then for just a second or 2 would shoot upscale and then return to normal again. The amp gage was unaffected. It happened every few days. That was caused by a “voltage limiter” device somewhere in the dash. It limits the voltage to the gages. When all the gages move together, it is a sign of a voltage problem. The cause may be the voltage limiter, the voltage regulator, or a bad connection (battery terminals?) that varies in resistance. Try driving with a voltmeter on the battery and see if the system voltage varies.
 
Dave Homstad
56 Dodge D500

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