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Re: 1990 Buick Riviera, no spark.
Posted to Technical Discussion Forum on 11/14/2005 1 Reply

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Chuck, you don't need a brain box to get spark. All you need is a working crank sensor, ignition module and coils. The crank pulley should have 2 sets of vanes, 18X and 3X signals. Cam sensor is only ... Login to read more.

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