90 SPG ignition problems -driving me crazy - Saab 900 Bulletin Board - Saabnet.com
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90 SPG ignition problems -driving me crazy
Posted by Dave [Email] (more from Dave) on Fri, 7 Jul 2006 05:36:54
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I'm sure you're sick of all this but I've replaced or confirmed things should work. the dist hall output is 3.67 v and goes to .22mv when the shutter opening passes the sensor( so I guess the dist and hall are good) but I replaced the ign mod and coil and wires and still get a few strange readings off the ign mod. (it is a Huco not the exact Bosch # - close but instead of a 1 for the 1st # it is a 0. Guy at parts store says it is the correct replacement- I wonder. With everything connected I read 11.5 v at pins 5 and 3 at the ign mod. Townsend says it is supposed to be 7.5v. Also reading across primary of coil (pin 1 and 15) I never see voltage rise to 5 volts and drop to 0v in a few seconds when key is initially turned on.
This all seems like a bad module but it is new. Could it be the wrong one? ANyone have any experience with that??
Thanks
Dave
posted by 192.28....
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