Author Topic: Temp/Oil Gauge and Tach ?  (Read 19174 times)

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Offline Joker (§ir£Ğragon)

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Re: Temp/Oil Gauge and Tach ?
« Reply #30 on: February 14, 2009, 07:15:58 PM »
You didn't see anything in the box the new coil came in did you?



Oh, and on the wire colors. Some manufacturers use white instead of yellow.
Larry


Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #31 on: February 14, 2009, 07:22:29 PM »
Yeah I did look in the box.  It only had the new coil. Nothing else.  Let me ask you something else.  What about the ground wire that is in the picture? It does touch all metal with the coil?  Is it becauser the coil then sits it the plastic housing?  I will look for the ground strap in the meantime.

Based on all this from this post.  I realize you can't see everyhting I see, but should this Tach do something? If I can ground this properly should there be a positive result?  Thanks for your help
-Mike
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior

Offline LOMILETA

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Re: Temp/Oil Gauge and Tach ?
« Reply #32 on: February 14, 2009, 07:32:10 PM »
The wire that screws down to the the corner of the coil should have the other part attatched to it. I believe you get that when you buy a new cap. There will be a little bag with the rotor button with spring attatched, a rubber isolator ring, and the ground strap/ plug.
« Last Edit: February 14, 2009, 07:34:14 PM by LOMILETA »
1978 TA-462 ci Buick (just sold)
1980 Turbo Formula
1995 Grand Prix
2002 TA convertible

Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #33 on: February 14, 2009, 07:37:46 PM »
It didn't .  I'll have to go back tomorrow and see about getting the strap.  If they haveit.  There is something to be said of getting Original Parts. :-[
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior

Offline LOMILETA

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Re: Temp/Oil Gauge and Tach ?
« Reply #34 on: February 14, 2009, 07:42:27 PM »
Did you get  a new cap?
1978 TA-462 ci Buick (just sold)
1980 Turbo Formula
1995 Grand Prix
2002 TA convertible

Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #35 on: February 14, 2009, 07:46:18 PM »
No, I just bought the coil.  I had the car tuned up about 2 months ago.  They replaced the cap and rotor.  I don't think they replaced the coil so I did today.  They may have replaced the coil, but it looked pretty rusty(see pics).
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior

Offline LOMILETA

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Re: Temp/Oil Gauge and Tach ?
« Reply #36 on: February 14, 2009, 07:53:25 PM »
It didnt looklike they replaced it, ( I usually clean the cover when I have it off also) looks like they didnt replace the module either.  Go to your parts place tomorrow and ask for a cap, when they get it, open it and see if that strap/ground plug is there.
1978 TA-462 ci Buick (just sold)
1980 Turbo Formula
1995 Grand Prix
2002 TA convertible

Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #37 on: February 14, 2009, 07:58:26 PM »
I'm sure it was replaced because when I bought the car the cap was a different color.  I'm not sure of the module.  Great idea about looking at a new cap.  Hell I'll by it all if I can get the damn Tach working again... ;)  It's bizzare because even with the old cap it still didn't work... Unless the ground strap was missing from it as well???
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior

Offline LOMILETA

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Re: Temp/Oil Gauge and Tach ?
« Reply #38 on: February 14, 2009, 08:04:11 PM »
Well from the look of where the ground is, i would say they put it back where they found it. lol
1978 TA-462 ci Buick (just sold)
1980 Turbo Formula
1995 Grand Prix
2002 TA convertible

Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #39 on: February 14, 2009, 08:08:31 PM »
Good point.. That's how I found it so that's how it went back. ;)  First do no harm right?? It's hard to find good help nowadays.  Thank God for you guys on the forum.   :)
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior

Offline Joker (§ir£Ğragon)

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Re: Temp/Oil Gauge and Tach ?
« Reply #40 on: February 14, 2009, 08:14:56 PM »
I just had a thought. Some of the early HEIs used a wire like this one rather than a metal strap.



If you are not able to find a strap then you might be able to make one similar to this using a piece of wire, an eyelet connector on one end and a male spade connector on the other. Then just push the spade through the center slot and into the connector coming up from underneath.

I would also recommend that you use the same screw for both the strap and the ground wire coming out of the coil just for continuity.

I think LOMILETA is right about caps coming with those straps too. I'm pretty sure Delco caps as well as coils are supposed to have those.
Larry


Offline LOMILETA

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Re: Temp/Oil Gauge and Tach ?
« Reply #41 on: February 14, 2009, 08:18:01 PM »
Yes Larry, that is exactly what i ws talking about. Now you know what you're looking for Mike.
1978 TA-462 ci Buick (just sold)
1980 Turbo Formula
1995 Grand Prix
2002 TA convertible

Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #42 on: February 14, 2009, 08:23:12 PM »
You Guys Rock ;D ;) :)> I can definitely make that if I can't find the right one.  I'll post tomorrow after I do it.  Anything else you can thik of before I go to the parts store???
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior

Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #43 on: February 14, 2009, 11:20:16 PM »
This is getting Funny... I went out tonight, started the car, turned on the lights, ..........Everything was dim on the inside.  courtesy lights, dome light, gas gauge not working, volt meter not working, dash lights(dim), turn signals showing they are on but no flash.  I assume it's a ground issue, but who knows at this point. Any ideas???
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior

Offline mikeb78ta

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Re: Temp/Oil Gauge and Tach ?
« Reply #44 on: February 14, 2009, 11:24:05 PM »
Is it possible when I removed the cluster so many times this week that the printed circuit(as bad as it is) ruined the ground?? I believe that all these problems come from te same circuit??? Am I wrong?
1978 Trans Am 403 WS6, BLack, Camel Deluxe Interior