- Nov 16, 2012
Billy, I don't remember if you've got the M25XPB or a different engine, but here's a few wiring diagrams for the engine and controls. I made some changes to the schematic so it matches my wiring-I don't think a PO modified things, but it's likely there were changes during the production run.So more of the Rabbit hole here.. today i investigated why i'm not getting an alarm prior to engine start. Turns out that the PO broke a tab on the oil pressure switch and hard wired the two connectors together. i corrected this and will get a replacement switch tomorrow to make it right. however, even with the connector disconnected, i'm still not getting an alarm.. and my Tach is acting a little funny and showing either the correct RPM or about 500 RPM above actual. today i replaced the connector block behind the engine panel to make sure there were good connections.. but alas, the problem persists.. i'll have to check the back of the alternator tomorrow for connectivity for the Tach.. i'm thinking there must be a bad ground somewhere since i have no buzzer and the tach is acting funny. i'll jumper the alarm to see if that's the culprit tomorrow too..
eventually i'll recover all the issues the PO seems to have either worked around, or ignored.
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