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Old 11/09/2016, 09:37 PM   #1
retroman99
 
If you're not living on the Edge you're taking up too much room

Location: Redondo Beach, CA
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Instrument panel lights

I continue to work out the bugs. I noticed the other night that the instrument panel lighting fades in and out during low RPM. I have new alternator and battery and new alloy metal products harnesses. head lights do not appear to be doing it nor does the voltage gauge or any of the gauges move irregularly. any thoughts?
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Old 11/10/2016, 10:05 AM   #2
stangfan
 
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GT/CS 8R01C150245

Location: Victoria, BC Canada
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Headlight switch?

Steve Cracknell
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Old 11/10/2016, 11:47 AM   #3
CougarCJ
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Spaceman Spiff

Location: Beautiful Willamette Valley
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Vintage Ford alternators did not charge at idle speed rpm's.

A lot of owners notice that their headlights also dim when they come to a stop light at night.

Scott Behncke
1968 GT/CS 302-4V Honors flysis income beezis onches nobis inob keesis
West Coast Classic Cougar A good source for Mustang mechanical parts too.
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Old 11/10/2016, 01:04 PM   #4
franklinair
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A solid state Voltage Regulator MIGHT help.

Neil
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Old 11/10/2016, 06:49 PM   #5
retroman99
 
If you're not living on the Edge you're taking up too much room

Location: Redondo Beach, CA
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Quote:
Originally Posted by franklinair View Post
A solid state Voltage Regulator MIGHT help.

Neil
the alternator is newly rebuilt. and the voltage regulator (Blue) is new as well not sure if it is solid state. are you talking about the IVR attached to the back of the instrument panel? headlight switch is new as well
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Old 11/10/2016, 09:14 PM   #6
franklinair
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The Voltage Regulator is mounted on the left side of the radiator core support. A Solid State Voltage Regulator is recognizable due to the Cover is not as tall as the old 'points' type V/R.
If you're concerned about original appearance, the old (taller) cover can be mounted on the new solid state regulator base.

Neil
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