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The Rally-Pac clock in the Hi-Po seemed to be losing time. It's a quartz conversion and it seemed unlikely that should happen. Climbed in the other day, and the clock had stopped. Well that was really weird. What the devil was happening? Closed the door, drove on down the street, and just happened to glanced at the clock. Yep, you guessed it, the dumb thing was now working. Hmmmm! Got back to the house, opened the door and just accidently saw the clock stop at the same time. My, my. Seems every time either door is opened the clock stops, but the interior lights work just fine. Car has been on the road a year now, and I'm just now discovering this? Wonder what else I've missed and more importantly, in what dumb way do I have that raggedy clock hooked up?

65 Hi-Po F/B (7 yr resto)
67 GTA F/B (small block) Mustang Owners Club of Austin (MOCA), TX
MCA 27479
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You sure it is not when the ignition is on the clock runs and when you turn the key off the clock stops?

The other thing is the clock is just going bad and when the car is running you get an extra volt from the alternator which gets it running and when you stop the power drops back and the clock stops. As far as the door opening that would take having such a flaky ground that you would be seeing all sorts of crazy things.

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Mr. Hi Po Man....

I think it is your muffler bearings not making proper ground at speeds in excess of 45 MPH while both doors are closed. The remedy is to always drive in excess of 45 MPH, especially on those Austin city streets. If that is not it, check your rear window regulators on that fastback. They often wiggle tight under high speed "K" Car launches and will cause your clock to lockup and stop ticking. On a little more serious note, it seems like you may have some cross wiring with your door/interior lights on that Red Beauty Mr. Rabid Mustanger. Let me know the resolution. I'll see you in a couple of weeks.

Bob (672nv)

Bob White (672nv)
 

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Actually, the normal power pickup for the clock is the door jamb switch, with a little "Y" connector. But based on your problem, my guess is that you're on the ragged edge of 12V through all the circuitry, and the clock is the first to drop off. Try pulling a bulb or two, and see if the clock runs when the door is open. If that is the case, you have a bad ground somewhere, or you're pulling excessive current which lowers the voltage.

http://clubs.hemmings.com/baymustang/platesmall.jpgLet me check your shorts! My multimeter is just a-waiting! Formerly known as Midlife in the old VMF.
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Wierd, My clock in my 73 lincoln doesn't work but everyday the hands advance 5 minutes. No joke, I don't know why and It's always 5 minutes, Possesed Maybe??

AKA "Fastbackpimp"
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You have the clock power on the wrong terminal at the door post. The clock feeds from the constant power wire(yellow/green) at the door feed wire. If you have it on the back side, then it only gets power when the door is closed.
 
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