d.i.y. wiring. im up to my ears in a 94 chevy pu dash and broken glass - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-17-2011, 05:49 PM
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d.i.y. wiring. im up to my ears in a 94 chevy pu dash and broken glass

I am trying to convert my 77 omega to TBI.I have a donor 94 Chevy pick up. pulling the engine harness. not a problem,but i don't really know what i need from under the dash. the truck was rolled so im tired of rolling in shattered glass myself. any one know what I need specifically to make a stand alone harness out of this spaghetti mess?

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Old 01-17-2011, 06:26 PM
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also...

Im planning to take the 4l60e tranny thats in it too. just because is was rebuilt 5000 miles before the wreck.
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Old 01-17-2011, 07:25 PM
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I would state off with a shop vac, then get a good pair of safety goggles that fit tight to your face, and blow out under the dash with an air nozzle, and vacuum again.
Wipe everything down with a wet towel. Have the vacuum handy to suck up more glass if you find it.

You do have wiring diagrams for both vehicles? If not, Why not?

It would involve a little extra work, but maybe test firing the engine on a stand in the garage, before you try it in the car. Do not get rid of the donor vehicle, until after the car is done and has been running for a while.
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Old 01-17-2011, 08:21 PM
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donor vehical

the truck ran and drove before started pulling the main engine harness,and i was suprised at how much power to 224,000 mile motor had still but it will get a rebuild and dress up(probably a stroker kit) and all new gaskets and seals. i have a chiltons manual for that truck somewhere and as far as the car goes, i want the engine to stand alone and get a oem style harness for everything besides the engine.
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Old 01-17-2011, 08:39 PM
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Pull the bolts on the sides and lift out the whole dash as a unit...... as it comes out unhook and label the wires and hoses etc.... with masking tape once you have the entire thing on the floor hook the wires hoses back up temp...... and use what you need in your cross over
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Old 01-17-2011, 08:55 PM
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Dash out

ok I've been out in the shop the dash is out now. I'm not sure what will be necessary to run the engine and trans. is any thing from the column needed? what about other various strange little modules in here. I think ive opened a can of worms. LOL im mainly taking everything from the engine compartment withthe motor. just under the dash is my main concern.
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Old 01-18-2011, 04:59 AM
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There isn't much needed to actualy get the engine to run.... comp, Netural safety switch (can be bypassed), ing switch, alternator idiot light (so the alt will chg the batt). I'd hook it all up get it to run then start unhooking stuff. The ing switch will unbolt from the lower part of the column and you can use a screwdriver to start it. After you have removed the junk from the harness you can cut, splice the harness into a neat pkg and tuck iy under the new dash.
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