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Thread: Fsd Cooler Installed!!! Questions About Rpm Gauge.

  1. #1
    Join Date
    Jul 2007
    Location
    MERCEDES, TX
    Posts
    81

    Default Fsd Cooler Installed!!! Questions About Rpm Gauge.

    Hello all. Today the UPS man delivered my FSD cooler that I ordered from Walter. Installed it and it looks great and works great. Connected a spring to my wastegate actuator arm and was a able to create enough booste that my truck does not smoke anymore. I am really amazed at how much power my truck has that I never knew about. Now my Wastegate code 78 is not coming on when going down the highway!! So needless to say I am a very happy man! I have ordered the Booste gauge and will not be useing the truck until I install it so that I can make sure that I do not Over boost.

    While driving down the highwway at 65mph with cruise control set on, my RPM gauge started going crazy. Then all of a sudden it just quit all together. I am asuming if it has a cable it snapped. Can anyone shed some light as to what is required to fixing that gauge. Would it be easier and cheaper to just by and install aftermarket gauge?
    1995 CHEVY 2500 SUBURBAN 6.5 TD .... NEEDS HELP ONLY HAS 226,000 MILES... I want to fix her good so she can last a while longer.

  2. #2
    Join Date
    Feb 2007
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    Baja California Sur Mexico
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    Default

    Hey that's great that the new parts are working out, your RPM guage gets it's signal from the alternator, check your wiring, plug that is into the alternator, it's connection is through the regulator (inside the alternator) could be regulator problem, or many other places. Somewhere to start.
    Last edited by grancito; 08-15-2007 at 02:18 AM.
    Grant H.
    1994 6.5 turbo GMC K2500 HD suburban "F" VIN FSD heat sync #9 resistor, PMD in the bumper, no cat, mechanical waste gate, 220,000 miles, 4L80E Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

  3. #3
    Join Date
    Jul 2007
    Location
    MERCEDES, TX
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    Smile Thank you So much

    Ahh dude its 1:40am here but as soon as i read your post, i had to go and check. Sure enough when i got in there to install the heat sink, I must have pulled the wire. When i opened my hood, it was off. I plugged it in and turned on truck at gauge is working fine. THANK YOU SO MUCH....That was an easy fix!! Damm i love this site and all the support i get from everyone here!!!
    1995 CHEVY 2500 SUBURBAN 6.5 TD .... NEEDS HELP ONLY HAS 226,000 MILES... I want to fix her good so she can last a while longer.

  4. #4
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    Feb 2007
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    That' really good you're getting things fixed, but don't stuff it up by putting the PMD on the manifold.
    Grant H.
    1994 6.5 turbo GMC K2500 HD suburban "F" VIN FSD heat sync #9 resistor, PMD in the bumper, no cat, mechanical waste gate, 220,000 miles, 4L80E Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

  5. #5
    Join Date
    Jul 2007
    Location
    MERCEDES, TX
    Posts
    81

    Default Where in trhe bumper should I install it?

    Grant can you tell me where in the bumper and will i have to drill holes? How about water damage? Seems like we get alot of flooding here and high water, if in the bumper area might be prone to get wet when I drive through high water. Possibly if you have picture of your setup could you email me.

    Steve
    Agnscody@aol.com
    1995 CHEVY 2500 SUBURBAN 6.5 TD .... NEEDS HELP ONLY HAS 226,000 MILES... I want to fix her good so she can last a while longer.

  6. #6
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    Default

    click on the picture of my truck, you will see it in the bumper hole, and click search "PMD relocation" it has a detailed proceedure, failing that I'll email it to you. Someone else tested this position in wet conditions and is ok, to short cut it you drill the holes in the upper back down-turn of the bumper, as low as posible, they wont appear through the plastic piece behind, but make them with the heatsync in place and high on the heatsync, to it's top edge.
    Last edited by grancito; 08-15-2007 at 03:27 AM.
    Grant H.
    1994 6.5 turbo GMC K2500 HD suburban "F" VIN FSD heat sync #9 resistor, PMD in the bumper, no cat, mechanical waste gate, 220,000 miles, 4L80E Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

  7. #7
    Join Date
    Feb 2007
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    Baja California Sur Mexico
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    Default

    here is another thought, I can't remember who made it, but he will post, called "PMD grill mount" he put the PMD high mid grill passenger side, but I had no room to put mine there because of an added trans oil cooler.
    Grant H.
    1994 6.5 turbo GMC K2500 HD suburban "F" VIN FSD heat sync #9 resistor, PMD in the bumper, no cat, mechanical waste gate, 220,000 miles, 4L80E Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

  8. #8
    Join Date
    May 2007
    Location
    Ladysmith, WI
    Posts
    500

    Default

    That was me!!
    -Matt

    Ahh the smell of Diesel Fuel, it's like coffee in the morning!

    My Car:

    1982 Mercedes-Benz 300SD Turbo Diesel (240,000 miles!)

    My Trucks:

    1995 Chevy C1500 4x2 6.5L TD (183,000 miles) Soon to be Cummins
    1988 Chevy C3500 Cummins, Billet Auto. 500+hp/1000+ lb/ft torque. Twin turbos.
    1950 Chevy Loadmaster 2 Ton - Future Cummins Pulling truck.

  9. #9
    Join Date
    Feb 2007
    Location
    Baja California Sur Mexico
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    Default

    oh good, I hoped you would appear.
    Grant H.
    1994 6.5 turbo GMC K2500 HD suburban "F" VIN FSD heat sync #9 resistor, PMD in the bumper, no cat, mechanical waste gate, 220,000 miles, 4L80E Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

  10. #10
    Join Date
    May 2007
    Location
    Ladysmith, WI
    Posts
    500

    Default

    Yep, here's my thread:

    http://www.sixfiveturbodiesel.com/showthread.php?t=584

    Enjoy!

    P.S. Still working without a hitch and still stayin cool to the touch!
    -Matt

    Ahh the smell of Diesel Fuel, it's like coffee in the morning!

    My Car:

    1982 Mercedes-Benz 300SD Turbo Diesel (240,000 miles!)

    My Trucks:

    1995 Chevy C1500 4x2 6.5L TD (183,000 miles) Soon to be Cummins
    1988 Chevy C3500 Cummins, Billet Auto. 500+hp/1000+ lb/ft torque. Twin turbos.
    1950 Chevy Loadmaster 2 Ton - Future Cummins Pulling truck.

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