Electric Clock Adjusting Screw
- Category: Troubleshooting & Repair
- Created on Sunday, 26 September 2010 13:22
- Last Updated on Wednesday, 10 October 2012 21:35
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[Editor: This article is reprinted from the 356 Registry magazine, Brett Johnson's Restoration column, Vol. 21 No. 4 Nov / Dec 1997]
Every electric clock I've ever seen for a late 356 has an adjusting screw on it, and you don't have to open the clock to get to it. It's on the back. When looking at the back cover, it's at the lower right corner, directly below and in line with the positive connection. If the positive wire is connected you may not see it right away, but it's there. The adjusting screw is an ordinary slotted screw, and it lives behind a tiny hole, maybe 1/16" diameter. It is marked "+" and "-" for fast and slow. You'll need a tiny jeweler's screwdriver; a set of 6 is available at any hobby shop for cheap.
You don't even need to remove the radio to get to this stuff. Remove the glovebox liner instead. Just undo the two chrome Phillips screws that hold the metal strap behind the glovebox liner, and work through the open glovebox hole to get to the clock. The clock is held down by a bracket with two knurled thumbscrews on it. You may want to disconnect the battery because there is a hot terminal on the back of the clock, which you will have to remove (I think a 7 mm nut), and the bracket carries the ground connection. Maybe you can reach the adjusting screw with the clock still installed (once you know where it is), maybe you have to take it out, but believe me, working through the glovebox is loads easier and quicker than removing the radio.