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Christ · 08-29-2009, 02:31 AM

I just read through some of the SF.com threads... I'm going to check/replace the ECTS and unplug the cruise module to see if either is causing the 1640. There are only 3 or 4 things in the 1640's circuit, and the two lights work fine in the POST before starting.

It's the "wrench" light that's on. Stupid GM techs and their dry humor... "GoodWrench Service", so there's a Service light w/ a Wrench there. Go figure.

Also - the trip/odometer doesn't light up w/ the lights on. It's LCD... I assume there is a backlight that I will need to replace, and if so, I'm not worried about it. IF it's a worse problem, again, I'm not worried about it unless it's causing another issue.

08-29-2009, 02:31 AM	#3 (permalink)
Christ Moderate your Moderation. Join Date: Nov 2008 Location: Troy, Pa. Posts: 8,919 Pasta - '96 Volkswagen Passat TDi 90 day: 45.22 mpg (US) Thanks: 1,369 Thanked 430 Times in 353 Posts	I just read through some of the SF.com threads... I'm going to check/replace the ECTS and unplug the cruise module to see if either is causing the 1640. There are only 3 or 4 things in the 1640's circuit, and the two lights work fine in the POST before starting. It's the "wrench" light that's on. Stupid GM techs and their dry humor... "GoodWrench Service", so there's a Service light w/ a Wrench there. Go figure. Also - the trip/odometer doesn't light up w/ the lights on. It's LCD... I assume there is a backlight that I will need to replace, and if so, I'm not worried about it. IF it's a worse problem, again, I'm not worried about it unless it's causing another issue. __________________ "¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"