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  1. UsernameIsTaken

    04 LS to 06+ LT grille conversion

    You could use the LS headlights with the LT bumper if you can find an SS grille. The cutout in the bumper is the same as the LT, but it has the bar that goes through the headlights like the LS. This is how the LT facelift should've looked from the factory in my opinion.
  2. UsernameIsTaken

    LT bumper cover vs. LS bumper cover

    The '06+ LT bumper has a cutout in the middle that the grille dips into like the Envoy, TBSS, and Ascender so an LS bumper, which is flat on top wouldn't fit without swapping the grille and headlights for the LS ones.
  3. UsernameIsTaken

    Do envoy headlights fit the Isuzu Ascender

    I can verify that Envoy headlights work perfectly on the Ascender. I have a pair of Envoy headlights that I swap to from time to time. The mounting points and wiring are all the same. The taillights physically fit, but the connectors are wired differently and the Envoy taillights don't have...
  4. UsernameIsTaken

    Speedometer

    I remember seeing a tire size calibration option in my Tech 2. It's under "Chassis" for my '04 Ascender and '04 Rainier. It lets you pick from a list of wheel and tire options from 12" to 24" if I recall correctly. This menu is from a Saab 9-3, but the GMT360 menu looks the same minus the tire...
  5. UsernameIsTaken

    Fan upgrade

    There's an FSR radiator for the TBSS that should fit the 5.3 but every aftermarket radiator for the 4.2 seems to be identical to the stock one. The only difference seems to be that the lower hose connection is on the passenger side on the V8s.
  6. UsernameIsTaken

    Fan upgrade

    The EV fan clutches are slightly larger than the thermal ones and they also have a wiring harness that clips onto the right side of the fan shroud. The brand on my factory EV fan clutch was Behr. The EV fan clutches are a bit unreliable, so many of us replace them with the 08-09 thermal clutch...
  7. UsernameIsTaken

    Fan upgrade

    All of these trucks came stock with an engine driven fan clutch. 02-07 used an electro-viscous fan clutch and 08-09 used a regular thermal fan clutch. There are a few people here that tried electric fans and switched back because the e-fans can't move enough air to keep the temperature down at...
  8. UsernameIsTaken

    All the dash lights are finally done!! What do u think?

    Looks Great! I agree with you that it looks better in person. The blue LEDs look almost purple through a camera but they look normal to the eye. I did my cluster with white LEDs a few years ago when I replaced my stepper motors and was thinking of doing the rest of the truck too. Is the...
  9. UsernameIsTaken

    NEED HELP Service Brakes, tranny slipping, spedo jumping, A/C drive hot:pass cold! No problem lights!?

    I had a similar issue a few months ago on my Rainier where the ABS and Parking Brake lights would turn on with a message about the brakes on the DIC even after cleaning the ground on the frame. It ended up just being cold solder joints. I took out the ABS module and cut it open so I could apply...
  10. UsernameIsTaken

    Roof rack delete

    I used some RTV silicone a while ago when I took the roof racks off of my Rainier for a bit. No problems with leaks and it was raining a lot at the time. Just make sure you fill the holes and try not to use too much in case it starts dripping onto the headliner. It's a little harder to...
  11. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    It is now confirmed! The pedal is indeed defective. This happened when I pressed and released the pedal slowly like before. The Tech 2 clone works perfectly and can even move the seats in the Rainier.
  12. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    So far it appears to be the pedal that caused the problem. I swapped it for the one in my Rainier yesterday and drove about 4 miles with the A/C on and stopped at at least 10 red lights and stop signs to try to trigger the reduced engine power. No problems other than the fan code. I'd still have...
  13. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    I ordered it from eBay. The seller was based in California if I remember correctly. I was going to order it from AliExpress but the shipping would've taken much longer and if US customs is indeed confiscating Tech 2 clones then I guess I dodged a bullet there. :2thumbsup:
  14. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    I tried it with torque lite today, no dice. I did however notice that the absolute throttle position would stay at 28% minimum instead of 14% minimum when the pedal is released after pressing it a few times. This could indicate that one of the APP sensors is defective and is triggering the...
  15. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    I swapped the throttle body from my Rainier onto the Ascender and I got reduced engine power within 1/2 of a mile. The Buick's throttle body made the same sound when I shook it but it works perfectly fine. I'll try swapping the pedals as well since it only seems to happen when I'm leaving from a...
  16. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    I returned the new EV fan clutch and replaced it with a new mechanical fan clutch, which should rule out the fan entirely. I also tested the resistance on the throttle body and tried shaking it. The resistance values checked out but it made a slight ticking noise when I shook it that sounds like...
  17. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    I drove around today with a BlueDriver connected and the freeze frame feature caught the CEL and logged all the data it had access to. DTC that caused freeze frame data: P2138 Fuel System Status: Closed Loop Calculated Engine Load Value: 100.0% Engine Coolant Temperature: 94°C, 201°F Short Term...
  18. UsernameIsTaken

    NEED HELP Persistent P2138 And Reduced Engine Power

    I recently hit 50,000 miles on my '04 Ascender and have had nothing but problems since. I've already cleaned the throttle body, replaced the fan clutch, and tested the APP sensor. The SES and REP lights seem to turn on at random and the only code I'm getting is the same P2138 every time. I tried...
  19. UsernameIsTaken

    SOLVED! Auto Dimming Side Mirrors?

    I guess it's just another feature GM removed for cost cutting reasons like the engine compartment light and air filter indicator. Mystery solved!
  20. UsernameIsTaken

    SOLVED! Auto Dimming Side Mirrors?

    I just finished adding turn signal mirrors to my '04 Ascender and noticed that the driver's side glass was slightly yellow, similar to a Yukon SLT/Denali with burnt out auto dimming side mirrors. I removed the yellowed glass so I could replace it with the original one from my stock mirrors and...

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