Maybe its a temporary short. Only occurs when the wire is bent a certain way. All the grounds for the transmission go through the PCM. Have you checked that all your grounds are good and tight and that you have grounds from the battery to the engine block, frame and body sheetmetal?
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
yeah, check step 39 for the grounds.
4.8L to 6.0L Engine Swap for a 2001 Silverado
Andrew
2001 Silverado 6.0 RCLB - Home Page - 4.8 to 6.0 Swap
Nelson Tune, Comp Cam XR265HR, Pacesetters, Hotchkis Sways, 3.42, Eaton Posi, Transgo, LS1 Fans, Magnaflow, Eagle 219's 18x9.5, Fold-a-cover
yeah check the wires that run to the trans. like the ones that run on the top of the shell
1951 3100
1984 C10
ok after looking a little closer today i come across something a little wierd, the trans plug (big round one) has 2 wires that are missing compared to my 4.3 harness, however there is a 2 wire plug over by the neutral safety switch, the wires that are missing and the wires in the extra plug are not the same color, could the truck i took the motor out have a different trans or did the trans change between 99 and 02? i dont know what to do now....anybody a trans specialist that knows alot...i wrote down the letters in the plug that are different between the 2 harnesses, if someone can tell me what each letter goes too maybe i can come up with a solution....or i may have to get a new harness...like i said...i dont know what im gonna do
does the 65e have a different plug/wire setup than the 60e, what are the chance the donor truck had a 65e?
no, plus will be the same between teh 60E and the 65E
Andrew
2001 Silverado 6.0 RCLB - Home Page - 4.8 to 6.0 Swap
Nelson Tune, Comp Cam XR265HR, Pacesetters, Hotchkis Sways, 3.42, Eaton Posi, Transgo, LS1 Fans, Magnaflow, Eagle 219's 18x9.5, Fold-a-cover
so the donor truck must have had a different trans...what could it have had so i can search for a converison wiring diagram?
ok...after looking at the 4l80e it looks like thats what my harness goes to...is there anyone who makes a conversion harness to go to the 4l60e???
nelson maybe?
If it has two connectors that look like they go to a speedometer connection, its for the 80e. Nelson makes 60e to 80e adapter harnesses. Maybe they can also make it going from an 80e harness to 60e transmission. Drop them or Melissa an email and they'll let you know.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
yes that is what the other plug looks like....an extra speed sensor connector...i guess i could always just put an 80e in right....im on a budget though...i just wan the 60e to shift
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