Date: Sun, 02 Oct 2005 21:55:43 -0600 From: Charles <cstoyernospamrpex.com> Subject: Re: spark plug lead resistance
John, Those resistances seem to me to be within tolerances, at least for a 1986 C900 Turbo. Don't worry about it unless you have a problem. Charles. John B wrote: > 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