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Old 04-05-2011, 02:04 PM   #1 (permalink)
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Ignition Switch help

After many hours of research n thinking, I've determined that I blew my ignition switch. I remember that I accidentally touched the power wire to the ignition wire n I also remember that when I did that, that my shifter indicator went off n threw my car into the immobilization state that it's in now. Can anyone confirm my suspicions? I've already bought a new ignition switch but just need to install it, which I imagine will take some time because of the plate that is preventing my ignition switch to come out. Quick note, I've already taken my ignition lock cylinder out.

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Old 04-07-2011, 12:36 PM   #2 (permalink)
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There is a website called the12volt.com Itll give you the proper wiring schematics for your column and behind the radio. You need to go over the harness with a fine tooth comb and figure out what is going on. Ive had this happen a couple times with a 4l60-E Once where it even locked the tranny into safety mode (locks the tranny into 3rd gear no 1st 2nd or 4th)

Its usually a simple case of a blown fuse or a wire grounding out somewhere.

For 30 bucks pick up a case of smart fuses. I know you said you checked all of the fuses, but a visual inspection does NOT work on fuses. sometimes they will visually look good and still not work. Smart fuses at least light up when the current isnt passing through them.

Second securely crimp or solder your radio harness back to factory, Next time DONT CHEAP OUT. You have to pay to play, if you want an aftermarket radio, get the proper harness. I have hard wired several in, you wont ever be as happy as if you just shelled out and got the right part. Not to mention changing radios from here on will be a pain, IF you can get it to work.

Third your ignition switch is probably NOT burned out. Again go to the website I told you, find your wiring diagram. If you dont believe me, go to a local parts store pick up a push button ignition switch, (roughly 5-7 bucks) some wire and a few male spades. Wire it up, almost guaranteed your gonna have the same problem.

Fourth, is your fuel pump kicking on? The fuel pump relay on GM vehicles SUCKS. There is a test wire in the engine bay. Again a 6 foot piece of wire with a male spade on one end will plug in here. Short it to the + on the battery there should be an audible CLICK. There should also be an audible WHIRR from the fuel pump. If not replace this relay and try again.

As for your lights. These are attached to the ILLUMINATION wire behind the radio and the fuse in the fuse block. SHOULD NOT stop the car from turning over. Been there done that.

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Old 04-07-2011, 12:42 PM   #3 (permalink)
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If you try all of this step by step, well pay for a month of ALLDATADIY.com They will have an IN DEPTH wiring schematic of the WHOLE CAR, with relay locations, color schematics, etc.

OR Take it to a shop. MOST shops will NOT touch a car with wiring issues caused by the owner. In fact MOST wont touch a car with aftermarket wiring.

I have 1 shop in the area that will touch my car. I have several runs of 1/0 5 batteries, soon to be two HO alts, different serpentine assembly, with different length belt, multiple amps, all aftermarket lighting, pretty much anything that can be rewired is.

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Old 04-07-2011, 12:45 PM   #4 (permalink)
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One more note, try turning it over with starting fluid. If it will, then look near the fuel pump relay for a weather pack fuse. It wont look like a fuse till you disconnect it. Replace, and it should turn right over.

There is also a relay for the injectors. This will cause similiar issues.

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Old 11-13-2012, 08:20 PM   #5 (permalink)
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I have a 2001 impala ls that i bought with a missing radio and harness thats been cut. This car has onstar and a amp in the trunk. My gauges on the dash werent working either I went to the junk yard and got a factory radio from a 2002 impala ls that also had onstar and amp in the trunk. I got the part of the harness that i needed to plug into my radio and to splice it to the harness thats in the car which goes to the fuse box and etc..I try to hook it up and have light to the radio but cant get it power on. (no display at all). The harness thats in the car has this SINGLE PURPLE WIRE that has no were to splice into the radio harness from 2002 impala ls. Im so lost on this and any help will be greatly appreciated.

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