Did GM use 2 different style connectors for this? The connector that fit the CPP proportioning valve I took off will not fit the plug on the original distribution block. I'm pretty sure the CPP valve came with a connector, as the wire is spliced, but I cannot find any other connector besides this one which is wrong.

This is what I'm trying to put back on...

Brake distribution block

And this is what came off, you can see the connectors can't be the same.....

Proportioning valve

And this is the only connector I can find....

Connector

 

Fusick is a little fast and loose on what years their part covers.

 

YES depending on the year. See this:
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Interesting. It appears Inline tube doesn't sell the connector for the one on the right in your picture. That's the one I need. Really wishing I had kept the one I cut off!

 

Not sure this is gonna work but I found a pic of the connector I need on a Corvette forum....