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#1
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Testing the clock on a 116
The photo, which might take a moment to load, shows the back of a 116 instrument pod. Midway towards the bottom and to the right is a connection marked 12V and this is for the clock. What I need to know is where is the negative connection?
Now I know it really makes little difference with a DC system where you ground something out, but I was wondering if there is a (-) connection just for the clock before I start touching everything back there with the negative lead. (The two poles above this and to the right that are marked (+) and (-) are for the tach.) Anyone able to answer this? Bonus question: Is there anyway to test the fuel gauge with a voltmeter or a 12V power source? |
#2
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If the 116 is like the 108 then the (-) comes from the back of the cluster itself. The whole plate "VDO Made in Germany" is the (-) source.
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Current: 2021 Charger Scat Pack Widebody "Sinabee" 2018 Durango R/T Previous: 1972 280SE 4.5 2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi" 1999 Chrysler 300M - RIP @ 221k |
#3
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I just tried that and it did not work. Perhaps there is just too much resistance built up over the last 33 years.
But I did get the clock to work! I found that the ground is the little nub just to the left of the 12V connection. I just brushed into it and heard the clock start running. I left it hooked up and the clock kept good time during the time I had it powered up. The nub is not marked. It just sticks out there, but it is making contact with the metal plate you were talking about. I guess I had to just go right to the source. Looks like I need to take it all apart and clean everything so all the connections are once again good. Thanks! |
#4
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clock repair
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#5
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I looked at that link on fixing the clock. The text says to replace the 100pF caps. They show 100mF caps, so choose carefully. The RS number may be correct for 100mF.
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Regards Warren Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL ENTER > = (HP RPN) Not part of the in-crowd since 1952. |
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