son of 66 convertible, now owner - Vintage Mustang Forums

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post #1 of 7 (permalink) Old 06-07-2017, 04:56 PM Thread Starter
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Confused son of 66 convertible, now owner

Hi all,
Dad gave me his 66 convertible V8 289. It was in storage for over twenty years, and rarely driven. But I am slowly restoring her back to health after all that deferred maintenance.
Last weekend, I installed a new instrument bezel, but forgot to disconnect the battery. A few sparks flew on the left side as I neared the end of the wire hookups. I disconnected, finished the install, replaced fuses, and reconnected the battery. Now the fuel gauge and panel lights don't work. (turn signals, high beam and other gauges work). The fuel gauge wasn't working properly before as once it reached half tank, it would not drop any further. Now, though, it just shows as full tank.
I did see on a similar theread that someone suggested checking the headlight switch, but my headlights all work as do the courtesy lights (not sure about the shifter light as it is burnt out).
As an aside, somehow around the same time, I blew the radio fuse, which was the 7.5 AMP fuse, not the 14 AMP fuse as shown in the manual.
Dad did some strange wiring, but I doubt he ever touched this stuff.
Thanks!
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post #2 of 7 (permalink) Old 06-07-2017, 07:37 PM
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Welcome to the board,..post up some pictures.

Wife,........."You drove how far for that thing?"
Daughter,..."Theres no inside and it stinks."
Friend,......."Dude, thats a rusted pile."
Son,.........."This old car is cool."

USMC Security Forces, Kamiseya Japan, 0311

Build Thread: http://forums.vintage-mustang.com/vi...sted-pile.html
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post #3 of 7 (permalink) Old 06-07-2017, 07:41 PM
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Possibly fried the constant voltage regulator on the back of the cluster?
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post #4 of 7 (permalink) Old 06-08-2017, 02:03 AM Thread Starter
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other gauges work

Quote:
Originally Posted by Knapper View Post
Possibly fried the constant voltage regulator on the back of the cluster?
@Knapper, the other gauges all work (see pic), although the AMP gauge doesn't seem to really move. I'm sure I saw it twitch at start up.
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post #5 of 7 (permalink) Old 06-08-2017, 06:53 AM
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You might want to contact Randy at Midlife Wire Harnesses. He diagnosed my problem very quickly and got me the parts I needed.

Welcome to Midlife Harness Restorations
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post #6 of 7 (permalink) Old 06-08-2017, 09:40 AM
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Quote:
Originally Posted by jaka View Post
Hi all,
Dad gave me his 66 convertible V8 289. It was in storage for over twenty years, and rarely driven. But I am slowly restoring her back to health after all that deferred maintenance.
Last weekend, I installed a new instrument bezel, but forgot to disconnect the battery. A few sparks flew on the left side as I neared the end of the wire hookups. I disconnected, finished the install, replaced fuses, and reconnected the battery. Now the fuel gauge and panel lights don't work. (turn signals, high beam and other gauges work). The fuel gauge wasn't working properly before as once it reached half tank, it would not drop any further. Now, though, it just shows as full tank.
I did see on a similar theread that someone suggested checking the headlight switch, but my headlights all work as do the courtesy lights (not sure about the shifter light as it is burnt out).
As an aside, somehow around the same time, I blew the radio fuse, which was the 7.5 AMP fuse, not the 14 AMP fuse as shown in the manual.
Dad did some strange wiring, but I doubt he ever touched this stuff.
Thanks!

You'll probably see my reply PM before this.

I'm not sure how you wound up here, but if you'll be documenting this restoration with updates and pictures, we have a section just for this.

Check out the Build Forum, second in the Main Duscusion, that's where you probably want to be.

PM me and we'll get you moved if you want.
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Wife,........."You drove how far for that thing?"
Daughter,..."Theres no inside and it stinks."
Friend,......."Dude, thats a rusted pile."
Son,.........."This old car is cool."

USMC Security Forces, Kamiseya Japan, 0311

Build Thread: http://forums.vintage-mustang.com/vi...sted-pile.html

Last edited by Israel; 06-08-2017 at 09:49 AM.
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post #7 of 7 (permalink) Old 06-08-2017, 11:53 AM
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When you have specific questions about Mustang problems, it's best to post in the topmost "Vintage Mustang Forum". There a lot more people will see your questions and you're mostly likely to get more answers and more quickly.

Should you wish to document your project with words and pictures, starting your own thread in the Build Forum is a fine idea.

And, welcome to the forum.
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