mark97213 posted a topic in 1973-1987 Chevrolet & GMC Square Body / Rounded Line PickupsGreetings all. Looking for some advice on why I might keep blowing speedometer transducers. I've gone through two replacements and although they work fine for about 30 minutes, they eventually just stop and the speedometer fails. Any idea what would cause the transducers' to keep failing? Rebuilt transmission with new speedometer plastic gear in transmission. I'm at a loss.
mark97213 posted a topic in 1988-1999 Chevrolet & GMC C/K GMT400 PlatformI'm trying to find and purchase a pair of these door panel support bars for both the left and right sides, Left and Right sides.
mark97213 posted a topic in 1973-1987 Chevrolet & GMC Square Body / Rounded Line PickupsI'm try to find a pair of these, Left and Right sides, but not sure what they are called? If anyone has a clue what they're called or even better yet, a left and right pair, it would be greatly appreciated.
mark97213 replied to mark97213's topic in 1967-1972 Chevrolet & GMC Glamour / Action Line PickupsThank you so much for the responses. That's some valuable insight. Thank you again.
mark97213 posted a topic in 1967-1972 Chevrolet & GMC Glamour / Action Line PickupsHoping to get a little insight on a brake problem. I'm in need of a brake proportioning valve but, it's turning out to be a tad difficult finding the correct one. My 69 C10 is stock, no ones has messed with the brakes but for some reason I can't find the correct proportioning valve. I've purchased two from Classic Industries and both of them turned out to be the wrong one. They sent 5 port proportioning valves both times but I only have a 4 port... 2 inlet, 2 outlet factory 4 wheel drum. Is this such a difficult problem? Seems odd. Any advice would be greatly appreciated.
mark97213 replied to mark97213's topic in 1973-1987 Chevrolet & GMC Square Body / Rounded Line PickupsYes, they really butchered the wiring with the aftermarket stereo. It looks like they tapped into the factory harness but the connector I'm wondering looks odd. I'm far from a pro mat identifying these leads however. The HVAC has a separate connector. I suppose you may be right, this may simply be the power side connector.
Greetings all. Having so trouble identifying what this connector goes to. Purchased the truck and it was all tore apart now I'm just trying to get it all back together. Anyone have an idea what this connector goes to? One wire is hot with the key on.
I don't think it's brake related per say, the brake light never comes on, just the ABS and the TC. I've tried to find a pattern as to why the ABS and TC lights come on but it's just too random and the brakes still function correctly and never flicker. I wish I would have keep my old ABS module instead of turning it in for a core. My Avalanche uses the KH 30 which is the rarer one and non repairable like the KH 325 is. I'm at a loss on this weird ABS problem.
Greetings all. I sure would appreciate any members thoughts on my ABS Traction control nightmare that I'm having, I just can't seem to get ahead on this one. 2006 Avalanche 1500 4x4 LT, 108k. Started out as an intermittent ABS and Traction Control lights activating with the "service stability" in the display. They would stay on for five minutes driving down the highway, then turn off for a half hour, then back on. All intermittently. Ran a scanner, no DTC's. I tried a different scanner but still, no DTC's. Cleaned up the grounds and Decided to replace the front hub assemblies with the sensors because they're almost the same price for just the sensors. Still getting the warning lights on. Replaced the rear sensors but it helped none. So, not much left so I replaced the ABS Module. Had the Dealer Reprogram and still... ABS and TC Lights are illuminating. Could air in the brake lines cause this weird abs problem? Any help would be greatly appreciated.
I did check e bay as well as Amazon. The closest I found on Amazon was for the Kelley Hayes 325, so it was either GM for $749 or Rock Auto for $400 for the Kelly Hayes 30. Looks like 375-400 is the cheapest to find it. I did think about going to the junkyard but I'm always hesitant putting in used electronics... might have ended up in the exact situation using a used one. Plus the Kelly Hayes 30 module was only used in about 10% of the vehicles for that year, so, just went with new.
Thanks for you help. Was hoping to avoid a trip to the dealer but, such is life.
Yeah, I already tried the repair route, no go. Spoke with one of those e bay repair shops at length. Not all of them are rebuild able. Most modules in this era are Kelly Hayes 325, mine is a Kelly Hayes 30 which is not repairable. Had to resort to buying a brand new one for 400. I guess it's off to the dealer, much as I suspected.
mark97213 posted a topic in 1999-2013 Silverado & Sierra 1500I just replaced my ABS Module in the 2006 Avalanche and am getting U1000 Loss of Serial Communications for class 2 and C0558 Calibration data not programmed. I was told that a new ABS replacement wouldn't need to be programmed but the DTC is saying otherwise. Am I missing something or do I actually need to take the vehicle to GM and have it programmed?
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