Like I said, the stickies pretty much cover everything as far as wiring.
Like I said, the stickies pretty much cover everything as far as wiring.
1969 Chevy RCLB C10 350/TH400 SOLD
2007 Chevy RCSB 4.8 4x4 LS SOLD
2008 Chevy RCSB 5.3 4x4 LT SOLD
2010 Chevy CCSB 6.2 4x4 LT SOLD
2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
2013 FORD CCSB F350 6.7 Powerstroke 4x4
stroker,
I used a 1988 factory wiring diagram manual I purchased on ebay. Another good source of all the electrical circuits is AlldataDiy. Its hard to condense all the electrical info you are looking for into one thread, but just find the diagrams and work them one at a time until finished. There isn't a short cut, it's time consuming work that needs to be done right.
Good luck
yead its becoming a PITA... lol the 88 to 95 wiring is diffrenet then the 96 to 98.. the PCM on 96 works the ABS on my truck the 95 down dont so there alot easier to work over the wiring..Originally Posted by 88stepside
http://www.ls1truck.com/forums/lsx-t...ed-swap-4.html
I have the stock 5 speed with a lq4 in my 92 and i used this tob and pilot bearing on this page
You need your PCM in order for your ABS system to work.
so we need to figure out which vss wire to connect to the ads module for it to work, any idea with wire out the new pcm it is and which wire going to the abs we need to connect it to is?
Spend the $20 or whatever it is to get the AlldataDiy for your truck. It covers everything.
FYI this(.) is a period. This(...) is an ellipsis, it is being used incorrectly.
If you wire it right the newer pcm will run the abs. abs module just needs like one or two pieces of info can't remember right of hand but I can look at my notes tommorrow. And you can use the oil sender from the LS engine.
yeah all the brake control module needs is a VSS signal.
What computer will you be using? The 0411 computer, or? The '95 thru '98 OBDll truck wiring, were transition years. In other words, some of the wire colors/codes that came out of the drivers side firewall had different functions(but not all), for all four years. Nothing can be counted on from one years wiring to the other. I recommend you go on E-Bay & purchase the same year GM brand Service Manuels that apply to your truck. Don't buy aftermarket. They are invaluable to you now...and in the future. They have all the wiring schematics & are actually very easy to understand. Basically, every wire(except a couple) that comes out of a GM OBDll computer is a ground. When the computer gets a signal from a particular sender or sensor to turn something on, it gives that accessory a ground, usually via a relay. In your trucks owners manuel, there is also a fuse diagram, that can help you identify each fuse function/wire in your power center(fuse block), on your drivers inner fenderwell. I removed my trucks original 1996 computer, and cut all my wires off exiting the firewall, leaving plenty to connect my standalone F-Body(0411) harness wires to. 1996 trucks still used regular anolog gauge function, so everything is pretty straightforward. Identify the speedo, tach, oil-pressure, water temperature, fuel level, etc., wire color coming out off the dash, and butt connect onto them. I used uninsulated silver butts & epoxy heatshrink. As mentioned, all your ABS module needs is a VSS signal that your new computer can provide. There are(if memory serves), three different VSS signal pulse strength wires exiting the computer, so you just have to look up what the ABS module VSS signal strength of those three, that it needs, and connect up. All the wiring to the ABS does'nt need to be cut or disconnected in any way, just one of those VSS color signal wires. By the way...NEVER use a test light on a LS1 computer or wiring harness, to test a circuit fuction, as it can damage the computer. Use a digital meter only. Get the book & your home free. Hope this helps.
Last edited by LS1GMCTruck; 09-11-2011 at 07:27 PM.
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