I actually managed to snag the right fuse box tap from an 85 Blazer, couldn’t find the single cavity accessory plug though.So young man, will this be of any use? It's a piggyback one to allow another one to plug in but still will work.
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Let me know since I'm still holding a FTP high-low switch if you want it.
And since I forgot about it, I’ll send you a PM about that FtP switch later.