placement of solid state voltage limiter on 1970 std dash?

[mopar56]

I built a digital voltage limiter as per moparmat2000 instructions posted in an earlier thread hear last June ( thanks moparmat2000 ) those were clear precise instructions, except the placement of exactly where it now mounts on the circuit board is different than the photo he posted because his was an older dash, mine is simply a square 1970 Duster dash, dose anyone have a photo of where they mounted there 3 wires/eyelets on a square dash?, thanks

 

[RedFish]

You could mount your regulator anywhere including behind a kick panel or in the glove box with enough wire. You have 3 connections to make, 12 volts at switch on, 5 volts to the thermal instruments, and chassis ground. Switched 12 volts is blue with white tracer, at the panels harness connector. The 5 volt wire could be attached at any thermal gauge. The printed circuit board would conduct the 5 volts to the other related gauges. Ring terminal poked under a speedy nut works or doesn't work. Its iffy. Better to place that ring terminal on top of the speedy nut with additional toothed washer and 10-32 hex nut. Chassis ground wherever.
Alternative to that is force a small sheet metal screw into those slots where your OEM limiter was. Larger than #6 may crack the board.

 

[rustyswinger]

here's my 74

 

[mopar56]

looks like this can be done a few different ways, the way I built my limiter was with the capacitor and semi conductor close together then the three pigtails coming off with eyelets so I was hoping just to fasten the eyelets to existing screws on the circuit board, I never thought of soldering right to the board but at this point I will just find spots I can screw to that exist which should be easier. thanks for the info.

 

[rustyswinger]

looks like this can be done a few different ways, the way I built my limiter was with the capacitor and semi conductor close together then the three pigtails coming off with eyelets so I was hoping just to fasten the eyelets to existing screws on the circuit board, I never thought of soldering right to the board but at this point I will just find spots I can screw to that exist which should be easier. thanks for the info.

Yeah I think there are a few ways. My board was burned through in a couple spots already. I needed to solder wires around the bad spots too, so this was a sensible approach for me

 

[RedFish]

For the standard panel, the only place where you can drop a ring terminal on 12 volts is the ALT' gauge. That's hot at all times, thus no go. There are several places where you can put the ground wire ring terminal under a screw. There is one fault of theses solid state regulators that most are not aware of. If it doesn't have a ground, it will pass the full 12 volts right on through. If you mount it on the inst' panel, don't power up to test without the inst' panel being grounded. It isn't grounded before its bolted into the dash! Best to add a chassis ground wire to the panel or the regulator or both.
The regulator package that RTE offers at 55 or so has built in protection against this fault and even a LED that warns of the fault condition. The basic rig works so long as you understand it. Ensure its grounded before positive is applied. Good luck

 

[mopar56]

Ok good tip on the ground I never thought of that so will do and guess I will just tap into key on power for the 12v side