Ya that's the rat's nest I had under my dash as well.
I took evrything out from under the dash.The wiring and ducting (both the soft tubing and the formed duct-work)
It makes it ALOT easier to get under the dash to re-route the wires.
Click
here to see the pic's of the my rewire job.The album also includes pic's of the rebuilding of the A/C system and ductwork.It' not done yet but you can see the pic's I have so far.
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71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension.
Petrolia,Ontario,Canada but working in Port Huron,MI.
See ALL my Blazer pic's
HERE