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Old Mar 22, 2010 | 09:20 PM
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Default hydroboost

i just swapped over and love it!!!!
can leave off the line now on 8-10# boost!!!!
1 thing thou...i have to start the truck in neutral...not in park cause i cant move the shifter outta park...there was a connector on the vac boost that didnt have a place to go and also a connector on the brake peddal itself...anybody got any insite on this...2004 excab...
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Old Mar 22, 2010 | 09:44 PM
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http://www.gmfullsize.com/forum/showthread.php?t=156800
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Old Mar 22, 2010 | 09:54 PM
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I have a gauge for that
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^ what he said
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Old Mar 23, 2010 | 02:55 AM
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Congrats on your upgrade.
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Old Mar 23, 2010 | 07:34 AM
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The connector out front is for the vacuum assist motor. I got a service brake in the message center until I jumpered it out. The switch on the brake pedal is for your brake lights I assume. It should be plugged up and suspect that is why you cant start in park. Do your brake lights work?
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Old Mar 23, 2010 | 01:11 PM
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Originally Posted by KySilverado
The connector out front is for the vacuum assist motor. I got a service brake in the message center until I jumpered it out. The switch on the brake pedal is for your brake lights I assume. It should be plugged up and suspect that is why you cant start in park. Do your brake lights work?
i will have to go see...lol
i have not got a service brakes message or any other message for that matter but my brake pedal does stick up as hi as it can go and just found out this morning my brakes are dragging a lil so what would i need to do to correct this issue...space out the master cylinder or what
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Old Mar 23, 2010 | 02:05 PM
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I have a gauge for that
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did you get the new pedal?
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Old Mar 23, 2010 | 08:44 PM
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Originally Posted by Atomic
did you get the new pedal?
yes it is exactly like the one in the pic's...i got the lines and pedal from the same truck..already had the master cylinder...and the rod going thru firewall is nice and straight to the pedal.
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Old Mar 23, 2010 | 09:11 PM
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The connector on the pedal is for your brake lights an if its not connected you wont be able to start in park. I learned that the hard way myself.
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Old Mar 23, 2010 | 09:17 PM
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Originally Posted by thunderwagen
The connector on the pedal is for your brake lights an if its not connected you wont be able to start in park. I learned that the hard way myself.
thanks..

the connector for the pedal wont even fit the way it is right now...after reading some more it looks like im gonna have to make the 10mm plate because the rod is to long..just my damn luck!!!
i'll get it in 2 weeks when i come in from work.

Last edited by bud8fan; Mar 23, 2010 at 10:45 PM.
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