Attempting to Fix Factory Tach & Gauges

RGBody87

RGBody87

Greasemonkey
Jan 7, 2018
139
31
28
#42
There should be a ground wire on the 10mm screw that holds the dash in place under the hood release
You are awesome. I'm running outside to check and clean it now!
 
RGBody87

RGBody87

Greasemonkey
Jan 7, 2018
139
31
28
#44
So, from the pictures you can see that I have the capacitor wires cut because I attempted bypassing it and learned that it actually still worked, that the reading was just off some how. That's the problem I am working on now.
 
fleming442

fleming442

Comic Book Super Hero
Dec 26, 2013
4,883
5,028
113
#45
The ground strap is under the coil cover; it goes from the corner coil mount screw to the center pin of the 3 pin plug (sometimes, down to the module, or ground it yourself). The coil cover is held down by 2 screws.
1540313393712-png.98229

It could help filter some "noise" out of the tach signal.
 
RGBody87

RGBody87

Greasemonkey
Jan 7, 2018
139
31
28
#46
Hey Guys! Figured I'd bring this chat back to life a bit. This time Related more to the T56 I installed in the car, the manual gear for speedometer,
-where to get a new speed cable that will work with the factory gauge.
- where I should get a new Tach because mine still outputs 3x the RPM's the engine is actually spinning and it has a clean wiring from the HEI distributor to the gauge cluster.
- Rebuild or replace factory Oil gauge? When I hooked up a new pressure sending unit to the factory wire it spikes past 60 and stays put. Yes a sending unit, single wire, not a switch.


EVERYTHING ELSE WORKS! Thank you all an immense amount for the time and effort you've put in to helping me get the car together. I have so many chats going on here and threads I don't even know where to post pictures but so far so good and you'd probably enjoy some of the progress. Some of you could even help me further with helpful hints and tips. Thanks again.
 
RGBody87

RGBody87

Greasemonkey
Jan 7, 2018
139
31
28
#48
I thought all T56s had an electric speed signal?
Yes but from
What I read there is a way to run a manual gear in there for much cheaper! Just checking. And here is a video of the gauges when it’s at cold start.
 
Battowingbandaloro@

[email protected]

Not-quite-so-new-guy
Feb 12, 2019
6
0
1
#50
Hey Guys! Figured I'd bring this chat back to life a bit. This time Related more to the T56 I installed in the car, the manual gear for speedometer,
-where to get a new speed cable that will work with the factory gauge.
- where I should get a new Tach because mine still outputs 3x the RPM's the engine is actually spinning and it has a clean wiring from the HEI distributor to the gauge cluster.
- Rebuild or replace factory Oil gauge? When I hooked up a new pressure sending unit to the factory wire it spikes past 60 and stays put. Yes a sending unit, single wire, not a switch.


EVERYTHING ELSE WORKS! Thank you all an immense amount for the time and effort you've put in to helping me get the car together. I have so many chats going on here and threads I don't even know where to post pictures but so far so good and you'd probably enjoy some of the progress. Some of you could even help me further with helpful hints and tips. Thanks again.
Early camaro uses cable drive on the 5speed mounts right to stock cable. Think it’s like 83-85 But one thing you have to slide gear that is in the tail housing of trans that has electric pickup I did it and worked out great!
 

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