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  1. 9

    Map Sensor Code Dying at Idle

    Truck has about 400,000 miles on it. I rebuilt the motor last year.
  2. 9

    Map Sensor Code Dying at Idle

    I am fairly certain the MAP sensor failed. Found another trouble shooting diagnostic that sensor middle terminal should produce around .5V with the key on not running. Mine was producing close to 5V which is the same as the supply voltage. I replaced it and it hasn't stalled yet. I'll give...
  3. 9

    Map Sensor Code Dying at Idle

    I do not have that service manual. Thanks for posting the pages.
  4. 9

    Map Sensor Code Dying at Idle

    Truck has been running fairly well. Always had a bit of miss at idle that I've exhausted all resources diagnosing. Now it's started to die at idle and it throwing a code 33. The scanner shows the sensor seems to be working. The scanner shows in park at idle the map pressure is around 40KPA...
  5. 9

    99 k3500 abs delete

    I don't know how much different a 99 is but I just did this on a 95. I kept the original master cylinder. I pulled the fuse on the ABS. I found the activation wire for the dash light and wired it into the switch on the combination valve. The light is activated by a path to ground. By the...
  6. 9

    I deleted the broken ABS module

    Ok. I misunderstood. a
  7. 9

    I deleted the broken ABS module

    I believe it will be similar. Basically, I used the OE master cylinder with a combination valve that was probably originally designed for a car from the 70's.
  8. 9

    I deleted the broken ABS module

    The front portion of the master cylinder operates the back brakes. The back of the proportioning valve is the back brake side. So to do it correctly the lines must cross.
  9. 9

    I deleted the broken ABS module

    It was a generic valve from summit. I posted the part number on the previous page.
  10. 9

    I deleted the broken ABS module

    It's the plug circled in blue. There are only 2 wires. If you take a multimeter and check continuity to ground. It's the one that doesn't have continuity to ground. Also, you can use a test light. If the test light comes on that's the correct wire. You can also have someone just watch the...
  11. 9

    I deleted the broken ABS module

    I just went out and found the wire to hook to the switch. It's a 2 wire plug ground one side out and the light will come on. Wire that side to the switch. The other poster is right. You will loose front or rear brakes before the light comes on.
  12. 9

    I deleted the broken ABS module

    There is a slight gap. The picture just makes it look like it's touching. I will probably bend them a little more.
  13. 9

    I deleted the broken ABS module

    I got it from Summit SUM-760182. There are probably cheaper options. I bought it because it came with the bracket and I thought the tubing would be a drop in. The tubing wasn't.
  14. 9

    I deleted the broken ABS module

    I haven't hooked it up yet. I found the old pressure switch on the ABS. It consist of 2 wires. I just need to figure out how to trigger the dash light. I'll look at that tomorrow
  15. 9

    I deleted the broken ABS module

    I'm not a tubing bender so be kind.
  16. 9

    I deleted the broken ABS module

    Since the ABS was broke and couldn't be bled on my 95 I took it out. NO ABS is better than NO BRAKES. I used a proportioning valve made for disc/drum brakes in place of it. The brakes behave a lot better in a panic braking scenario. The 10" drums are probably a weak point but I'm happy with...
  17. 9

    Bleed Broken ABS Module

    I purchased a GM style combination valve from summit racing that is made for disc front and drum rear.
  18. 9

    Bleed Broken ABS Module

    It threw every code in the book when I scanned it a long time ago. One of them was relating to motor or pump failed. I hear it hum a little before the light comes on if you reset it. I'm probably just going to bypass it. It seems to be the solution on these. I have a combination valve and...
  19. 9

    Bleed Broken ABS Module

    Can the Kelsey Hayes ABS module be bled on a 95 truck if the pump is stuck? I know about the little port on the side.
  20. 9

    Fast Braking seems sluggish

    I found the code on the glove box it is JB5.
  21. 9

    Fast Braking seems sluggish

    The rear end is 10". A lot of what you mentioned I have scanned through but do not completely understand it. I have no idea what calipers are on my truck. It had 400,000 on it and I doubt they are original. I used a rebuilt master cylinder from Oreilly. At the time I was un aware of...
  22. 9

    Fast Braking seems sluggish

    Fast braking in my 95 Tahoe seems sluggish. Brakes always felt fine when braking normally except a lot of pedal travel. I replaced the master cylinder and brake booster last year due to them both being bad. This weekend I replaced drums, shoes, wheel cylinders, rotors, and pads. Rear brakes...
  23. 9

    Has anyone used a Holley 2 Barrel on TBI adapter plate

    The ignition clamp for my scope came in. It confirms a lean miss.
  24. 9

    Has anyone used a Holley 2 Barrel on TBI adapter plate

    This was going to be part of the carb swap. Never though about just dropping an HEI in and see how it runs. I know I still need the wires going back to the ECM to trigger the injectors. Not sure if I have those. I need to look.
  25. 9

    Has anyone used a Holley 2 Barrel on TBI adapter plate

    It was installed new with the rebuild. Only about 4000 miles on it.

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