So, as a few of you might remember, I've been here on and off, trying to sort out the problems with my Blazer. After putting damn near $600 worth of parts into it (most of which needed replaced anyway) and still not having a running vehicle, I found the distributor was completely loose - spun like a top. Bought a $30 timing light and just got in from toying with the truck.
Evidently the guy who set the timing before me didn't make sure the bracket was against the distributor before he tightened the bolt up. The bolt itself on the dizzy bracket was tight as hell, but the distributor still spun around. I loosened the bolt up, pushed the bracket into contact with the distributor, and tightened it enough so I could still spin the dist, but it was still loose. When I checked the timing, it was at least 20* advanced. Now, I'm not 100% sure if that could cause the problem I was having (truck would shut off if I was going at a lower speed and let off the gas, and eventually started just shutting off at idle), but since I set the timing back to 0* and tightened the distributor back down until it wouldn't spin, she idles so much more smoothly, sounds much better on acceleration, and miracle of miracles, she doesn't die when I drive!
Now, I realize some of you guys are probably laughing your asses off now, thinking "This damn noob spent all that money, and it was just the timing that was off!" And you'd be right. However, I have never, not once in my life, had to wrench on anything older than my '99 LS1. I found out, quite painfully and in an expensive manner, that knowledge about new engines does not always translate over into being able to successfully wrench on older engines. Lesson learned.
Anyway, on to the question I have about wiring. While I was fixing the distributor, I noticed a wire and a quick disconnect, green with a black stripe coming out of the harness directly behind the driver side valve cover, had been cut. Not too sure what that goes to...any thoughts on that? Seems every time I work on this truck I find a new cut wire somewhere
Evidently the guy who set the timing before me didn't make sure the bracket was against the distributor before he tightened the bolt up. The bolt itself on the dizzy bracket was tight as hell, but the distributor still spun around. I loosened the bolt up, pushed the bracket into contact with the distributor, and tightened it enough so I could still spin the dist, but it was still loose. When I checked the timing, it was at least 20* advanced. Now, I'm not 100% sure if that could cause the problem I was having (truck would shut off if I was going at a lower speed and let off the gas, and eventually started just shutting off at idle), but since I set the timing back to 0* and tightened the distributor back down until it wouldn't spin, she idles so much more smoothly, sounds much better on acceleration, and miracle of miracles, she doesn't die when I drive!
Now, I realize some of you guys are probably laughing your asses off now, thinking "This damn noob spent all that money, and it was just the timing that was off!" And you'd be right. However, I have never, not once in my life, had to wrench on anything older than my '99 LS1. I found out, quite painfully and in an expensive manner, that knowledge about new engines does not always translate over into being able to successfully wrench on older engines. Lesson learned.
Anyway, on to the question I have about wiring. While I was fixing the distributor, I noticed a wire and a quick disconnect, green with a black stripe coming out of the harness directly behind the driver side valve cover, had been cut. Not too sure what that goes to...any thoughts on that? Seems every time I work on this truck I find a new cut wire somewhere
