Date: Sun, 02 Oct 2005 02:20:28 GMT
From: John B <rotten_NOSPAM_nospam.org>
Subject: spark plug lead resistance


Hi, I was changing the oil on my 1992 900, and decided to check out some ignition components while waiting for oil to drain. I was measuring resistance in the spark plug wires, which is supposed to be between 2000 and 3000 ohms. The wires from cylinders 2, 3, and 4 all fell within that range (actually four was a bit below 2000, but it is the shortest wire), but the wire for cylinder 1 was over 6000 ohms. That is the longest of the four wires, but I measured the long wire from a new set at just a bit over 3000. So, considering that the car runs perfectly, should I really care? Thanks, John

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