I have no reading on my gas gauge, water temperature or oil pressure.
I had to put a jump on my POS red tip restoration battery.
Put in on 200 amp quick start.
All fuses look ok.
Where do I go from here?

Voltage limiter, all the gauges run off it.
Bob

What's the part that plugs in to the interior bulkhead?
Is that the voltage limiter?

Should be a little aluminun colored oblong multi pronged thing lol that plugs into the back of your dash. They make solid state units these days.

Had to pull the radio out but how do you get your arm in there to remove that little nut?
Is that nut a 1/4 or 7/32?
I'm sweating my azz off.

Did you hook a test light to the temp gauge sending unit wire before you tore into things? If the limiter is working the test light will blink. Did you also use the test light to check the fuses or did you just eyeball them? Some times a blown fuse is hard to see.

Going to try now.
Getting to the limiter is almost impossible

Ots weird that this just happened overnight?.or was this around awhile? Check back to the last thing you did on the car, maybe something got knocked off..unplugged..etc..

Nut? It just should pull out if I'm not mistaken. Similar to a b body dash and might be on the right side looking up from underneath.

That's what I was thinking.

Maybe I'm looking at the wrong thing.
This is the 1st time working on a E body.
I am not sure now where this voltage limiter would be at.

Red top battery was very weak so I pit a 40 amp charge on the car and that didnt work, so I put a 200 amp quick start on and it fired up but noticed only the Ammeter is working.
Everything else is dead.

Anyone got a picture of a 1970 Ralleye Dash voltage limiter?

pull the L connectors off of the gas tank sending unit & the water temp sender on the eng (rear of eng if SB/front if BB). Key on. see if you have any voltage.

On a ralleye dash the limiter is part of the fuel gauge and you either replace the fuel gauge or find the instructions on by passing it with a regular limiter. That is why I suggested checking the fuses and sending unit wire with a test light first. You can test either the temp gauge or oil pressure gauge wire which ever if easiest to get to. Either should blink if the limiter is good. You could also check the screws holding the instrument cluster to the dash because they act as ground.

Sammy here’s a picture of it on a non rallye dash out of my 70 Cuda. It is the same on the rallye dash because this one came off the rallye dash because the terminal is broken and I used the good one off this dash for the rallye dash that is in car now.

The bolt head is 1/4”.

Mike

That's her.

Stumpy, also gauges like water and oil can be unplugged and grounded to see if the issue is in the gauge or wiring. Sounds like a limiter to me thou since all but amp ( direct power ) are not responding or a grounding of the cluster frame.

Sammy also check this link on ebay. https://www.ebay.com/itm/Cuda-Chall...el-Mopar-Instrument-Cluster/283494246527 For some reason I can't copy the picture but look for the one that shows the back of the dash. It doesn't have the limit switch installed but if you look at the picture you can see two bumps with a hole between them this is where it mounts. (Notice the two bumps on the side of the limiter picture I posted). Right next to hole marked DBL. In the picture it's on the bottom but in car it's the top.
Hope this helps, Mike

But if you aren't quick enough with the key you can fry the gauges by pegging them out.

True, great point!!!