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Looks like I will end up adding some aftermarket gauges!! plugged in my OBD reader and the ECM also shows a solid 14.5 regardless if I increase the RPM

Welp I got out there this morning and seeing this... think there is something else going on here. my multi-meter shows 12.6 with the key off at the battery and still 14.7 at idle. but look at what the gauge is reading. first pic is key on engine off, second is at idle. mind you it's been...

I will look to see which fuse runs the onstar and pull it. or see what methods there are to completely disable it. it's old enough to use 3g cell towers that are now dead anyway.

The ignition switch has crossed my mind as where the issue might be. my main thing is I don't what it to leave her stranded again for the same issue! I'm still trying to figure out what happened or what caused the spare battery I put in to go dead and leave her stranded. after I jumped it...

going off the info in that post, I went out there and connected my charger to the new battery. the charger has a display that tells me the state of charge and it says the battery has an 80% charge. So I plugged it in and will leave it over night. in the morning I will see what the it does...

bookmarking this here to come back to. found some interesting information. this links to a 2004 but is most likely the same system as the 06. read post #6...

I did find a diagram for the charging system. doesn't tell me much other than confirming that the ECM/PCM controls the alternator through a pwm signal. looks like I might have to go through all of the power and grounds along with probing for any voltage drops between the battery and the PCM...

yipes! that happened to me while teaching my daughter to drive on the dodge pickup. wasn't at 60, but we were nearing our turn on a main road. I remind here to use the signal with cars behind us.... she reaches to the shifter and puts it in reverse!!!! we felt and heard the BANG CLANK and...

Yup, that one in the pic has a spring to help with "weak" springs and to help increase carry capacity. they will make the ride rough or stiffer when there is not a load in the back. I installed air shocks on my 95 for this reason since my springs are weak. what makes the air shocks good...

Hey guys, I know I can ask on the trailvoy forums but I'm not a member there "yet" as I had posted in another thread we had the battery go bad on us. the battery was dated June of this year and somehow got smoked to where it would not take a charge. this was a couple weeks ago. I since...

For the most part I think it should. things you need to watch out for is the internal harness may be different along with sensors / solenoids. also depending on what engines are driving it in both yours and on the donor. torque converters could be different.. and no do not plan to re-use...

Be sure to inspect that hose and clamp durring the day. it could be your truck is warning you.... "replace me" (the hose and or clamp)

what I didn't get off the video is how he said about the long travel, he only changed the MC, the travel is in how the pedal is setup. makes me wonder if the travel is reduced with the piston in the MC doesn't go as far.

The brakes on my 93 seem to work perfectly, but on my 95 they are much to be desired. I assume for a 3500 I would use one for a gmt800 3500 truck. thought about trying one for a gmt400 HD and see what happened.

oil or fuel?

GMT400 limo edition!

Yeah that was a good find and save there! I had to replace mine on the 95, for one person laying on the concrete driveway it was a bugger to say the least! I got lucky though and only had to unbolt the trans and slide it back enough to get by wrenches in there! future note. keep a...

I use an app on my phone called fuelly to track my mileage along with tracking when it's time to do the oil changes. the app is free but I invested into the paid version for 7.99 a year. one of the perks on the paid version is getting to add it to my signature here in the forums. my problem...

Nice work! wonder if you were to custom make a sharp 90 with flanges on both sides, then tweak the down pipe if that would give you some extra clearance. something I have always wondered... on these gmt400's what it would take to convert to a short bed. I keep picturing in my head of my 93...

on your PS fluid, do you have a cooler installed? it could be getting how during your drive and puking. could also be a leak too, stop by a car wash and clean that area off (dollar store oven cleaner works wonders then wash off with water) drive a little ways and look for where it's leaking.