Got my tunes last night from Trent N. Now I need to wire up the DSP2 switch. Where are you guys running the wires through the firewall? I haven't looked yet but I'm hoping that there is a grommet around the steering column area?
I drilled a 1 1/4" hole just to the left and up from the steering column (there's a hole in the firewall insulator in that spot) and popped a Mr Gasket valve cover plug, P/N 6375 with some 3/16" holes I made with a gasket punch. I ran all my gauge wires/lines and Rob used the same grommet for the DSP5, makes for a clean, non leaking feed through. Make sure you use high temp nylon wire loom, I used the generic NAPA stuff and it drooped from the heat. Also, make sure there's no wires routed where you drill...
Your easiest option is to go in the big grommet that is already there. I poked holes in it for my DSP, amp power, gauges. Then sealed it up with a little RTV silicon. I used an ice pick to poke the holes then some wire like Jmaz said.
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