Motrhedx81
OBS Enthusiast
Where did you get your tow/haul button?
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This is what you want. It’s way easier than a latching relay circuit and takes up way less room. This is what I ended up doing on mine and it works perfect. Push the button light comes on, push it again OR turn the key off, it it goes off amd stays off when key back on.
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*edit** I guess wiring info would help lol. On the TR-7 Brown ties into the trigger wire from switch to the ecu. Blue is +out to the light. And of course red 12v+ and black ground (also ground out light) that's it, just 4 wires. Easy??
You are the MAN! What gauge set is that?
This is what you want. It’s way easier than a latching relay circuit and takes up way less room. This is what I ended up doing on mine and it works perfect. Push the button light comes on, push it again OR turn the key off, it it goes off amd stays off when key back on.
*edit** I guess wiring info would help lol. On the TR-7 Brown ties into the trigger wire from switch to the ecu. Blue is +out to the light. And of course red 12v+ and black ground (also ground out light) that's it, just 4 wires. Easy??
It came out of an early 2000's S series Blazer or Jimmy. The S trucks had them tooWhere did you get your tow/haul button?
You mean Metric? LolDo I spy Dakota gauges? With c0mmi3 units?
It's a Dakota Digital VHXYou are the MAN! What gauge set is that?
03-07 Express/Savanna vans have the same button.Where did you get your tow/haul button?
Problem with the later automatics is not so much the hardware as it is the programming. GM calibrated them, even the 700r4 to maximize fuel economy. They shift too early under load and thus prone to shuffling especially between 3rd and 4th. If the 3-4 upshift was more delayed the tendency to hunt between gears would dissapear because under a load towing it would never upshift to 4th in the first place unless you were headed down hill or possibly on a long, level flat section of road. Above about 15 mph the 4L60E and 4L80E were calibrated not to kickdown to 1st again unless you basically gave it WOT. Not good when you make a turn starting off at slow speed and try to get rolling uphill towing a trailer especially in the rain.I'm so old, I grew up with Powerglides, and TH400s.
The whole concept of having to tow in "D" rather than "OD" strikes me as inherently wrong. And then they moved to having to push a "Tow/Haul" button.
These things are supposed to be AUTOMATIC transmissions. They're supposed to adapt to changes in driving conditions AUTOMATICALLY. If the operator has to move levers and push buttons depending on how the vehicle is being used, they should be advertised as SEMI-AUTOMATIC transmissions.
Old guy done ranting. Moving on to shaking my fist at the clouds.
Problem with the later automatics is not so much the hardware as it is the programming. GM calibrated them, even the 700r4 to maximize fuel economy. They shift too early under load and thus prone to shuffling especially between 3rd and 4th. If the 3-4 upshift was more delayed the tendency to hunt between gears would dissapear because under a load towing it would never upshift to 4th in the first place unless you were headed down hill or possibly on a long, level flat section of road. Above about 15 mph the 4L60E and 4L80E were calibrated not to kickdown to 1st again unless you basically gave it WOT. Not good when you make a turn starting off at slow speed and try to get rolling uphill towing a trailer especially in the rain.