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Message: <blockquote data-quote="7LBSSMALLIE" data-source="post: 82279" data-attributes="member: 6879"><p>SO HERE IT STANDS. glow plug timinig is correct as per published glow time = temp table. ( my opnion a little short, 5 seconds at 26 F.) seems well a little short. just the same that's what it is. so in order to put this baby to bed once and for all. tried to start in 26 f glowed twice, no joy, bypassed batt disconnect switch. (put all cables on one lug) fired right up . let it all get cold ohm check switch .006 0n 20 k scale. tried again no joy replaced switch with new oem no updates that's anyone is aware of. fired right up. CONCLUSION. current batt disconnect switch degradining over time . unable to carry full load. yes it will ohm check yes it will volt check, but as we know a restriction to flow (im a hyd guy) will slow things down a bit. so yea replacining the batt disconnect switch took care of the cold start... but I cant help but to reflect on batt draw issue caused by the radio. (THIS IS CONFIRMED THIS WAS THE DRAW) cause and effect. seen hi amp draw (as in low batt voltage smoking controllers) would love to hear from some elect gurus to see if my theary makes sense. pardon the misspellings train of thought needs to stay on track you get the jist. ? what effect does low batt volt?/ hi amp draw have on elect components. real world it smokes em. any science to back that up up.</p></blockquote><p></p>