junkyardjeff
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Registered: 04-2004
Location: Dayton Ohio
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 Gauges inop
I got in my 70 tonight and after I started it I noticed the gas, oil and temp gauges did not work,they worked fine the last time I drove it. All of the other electrical components work including the amp gauge and there is no fuse for the gauges so anybody got a idea where to look for the problem. Jeff
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7/13/2004, 9:11 pm
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6772FordFseries
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Re: Gauges inop
I think the first thing I'd have checked out would be the instrument voltage regulator located on the back of the instrument panel:
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Keith
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1967 Ford F-100 2WD shortbox
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7/13/2004, 9:45 pm
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junkyardjeff
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 Re: Gauges inop
I found the problem it was the printed circuit was broken where it attached to the voltage reducer,I cant believe the differences between the years of the instrument clusters. I have a 69 and 71 clusters and they both are different then a 70 so it looks like a trip to the junkyard to get a couple of extra clusters,I was able to repair it so the gauges will work for now. Jeff
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7/15/2004, 9:15 pm
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68F250
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Re: Gauges inop
I like good old-fashoned wires like the '69 and earlier instead of that flexible circuit board. The '71,'72 are the same but the '70 is unique along with it's IVR.
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7/16/2004, 11:02 am
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6772FordFseries
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Re: Gauges inop
Hmmm...I didn't realize there were any differences in the '70-'72 instrument panels. I've got one '71 panel laying around, guess I'm going to have to do some more investigative photographic journalism to find out the differences. So what should I be looking for?
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Keith
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7/16/2004, 4:42 pm
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68F250
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Re: Gauges inop
Hi Keith!
The '70 circuit board has the IVR mounted upside down compared to the '71, '72 (or is it the other way around, it's been a while).
Also, the '70 IVR has the contacts swapped (male is female and female is male) so when it's flipped it plugs in correctly on the circuit board.
Barry
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7/16/2004, 5:46 pm
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6772FordFseries
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Re: Gauges inop
ah...cool! Another bit of trivia to add to the ID page. Thanks! 
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Keith
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7/16/2004, 8:54 pm
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