Wiring Problems - Please Help

#1
I have 1996 Corolla DX and there was an after market radio in my car. I put a new aftermarket deck in it; it had the same plugs. I also had a system in the car that was wired in by an a good friend that screwed me over. the wires for the amp and the box fused together causing a short in my wiring harness. I gutted my car and replaced the harness from front to back. not when i start my car my windshield wipers go and the wiper fluid sprays full blast, and my lights won't work. What could be causing this. PLEASE HELP I'M AT MY WITS END!
 
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