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VATS Bypass


Guest breather

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Guest breather

After changing many items on my 1990 Reatta to try to get it to start, I finally gave in and agreed it was the VATS system. I did the resistor equivalent to the chip on the key and connected it to the white wires down the column, under the dash. NO WORKEE!

I then carefully knocked the chip out of my ignition key, soldered a wire to each side of the chip, applied some heat shrink tape to it, and connected that to the same place I connected the resistors. It has been two weeks now and my Reatta has started every time I tried.

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Guest Mc_Reatta

I applaud your good eyesight and steady hand on being able to work with the chip from your key. Can I send you some SM PCBs for you to work on? :cool:

Must have gotten a resistor that wasn't quite the proper match for the one in your key.

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...or you connected the resistor to the wrong white wires. Easy to do. When you cut the two white wires, you now have FOUR white wires; two go to the column connector; two to the key tumbler. Make sure the resistor goes toward the connector, not the tumbler.

And make sure you have the right resistor. A 5% differential is the limit.

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