95gmcburb
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Hello I wanna start by introducing myself. I'm James and I have a 95 GMC Suburban k1500 with the 5.7. I got it about a year and a half ago. The driveshaft had broken the straps that hold the ujoint onto the rear yoke. I fixed that and the differential was toast. I took the complete 8.5 10 bolt out from under the truck and opened it up. Ended up getting a Yukon posi center section and completely rebuilt it. I put it back in and replaced everything I touched painted everything got the driveshaft ujoints replaced and balanced. So this truck is completely new to me so I've begun the break in procedure. As I'm now driving it in town it's great. Runs good every now and then it'll hesitate upon taking off then fine. Now I'm at the point where I can put it on the highway and what I'm noticing is that the converter isn't locking out. I begun a more detailed inspection and from what I see is that all the chassis grounds are completely disintegrated. And the harness grounds have lots of corrosion and need replacing. I've ordered the gm service manual on CD 3304 pages. I notice that when I hit the turn signal all the needles in the instrument cluster bounce with the click. The gas gauge needle is usually pegged about a 1/4 of the way past full but goes to normal when it wants to. The water temperature gauge goes to about half the way between 210 and 260 and then when the thermostat opens it goes to 210 I replaced the thermostat to a 195° and it's functioning properly. Now that I'm getting up to higher speeds I'm noticing that no lockout and doing about 60mph and 3k on the tachometer. Aside from what I'm going to get once the manual arrives does anyone have any input on where to ground? I have 6awg tinned copper insulated wire and a hammer crimper. Also have a grinder with a flap wheel to make sure that there is good connection. For the firewall connections the stud is rusted out. Would it be better to clean a new spot near the old location and use a self tapping screw or should I make sure that I use that stud from the firewall? I also have several non insulated OE style ground straps. Any tips on making sure I don't overlook a very important ground or how I can ground the ECU and transmission so that I can see if the lockout works? Any input on this subject would be very much appreciated. And I'd like to thank everyone ahead of time for giving their 2 cents to possibly helping me out.