LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

lockup quit working

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Old Aug 26, 2009 | 08:14 AM
  #1  
mw66nova's Avatar
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
lockup quit working

on my way home from school last night it unlocked randomly, but corrected itself and i didn't think anything of it...

on my way to school today, the lockup just randomly turned off, and didn't turn back on. all my connections seems to be intact, any idea what it could be? i need to put a scanner on it again i suppose.
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Old Aug 26, 2009 | 08:42 AM
  #2  
ls six's Avatar
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Re: lockup quit working

Lockup?

Door locks? column lock?
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Old Aug 26, 2009 | 08:47 AM
  #3  
mw66nova's Avatar
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Re: lockup quit working

Originally Posted by ls six
Lockup?

Door locks? column lock?
seriously? torque converter
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Old Aug 26, 2009 | 12:49 PM
  #4  
mw66nova's Avatar
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Re: lockup quit working

so, after class i looked at it again, couldn't really find anything wrong but i wiggled all my connections going to the various power sources i have. it worked fine all the way home. lesson to be learned from this: going to pull the car back apart to completely redo my wiring this winter...i can't have a reliablity issue 100miles from home.
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Old Aug 26, 2009 | 08:24 PM
  #5  
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From: NE & KS
Car: 92 Camaro RS
Engine: LS1
Transmission: T56
Axle/Gears: 3.42
Re: lockup quit working

Originally Posted by ls six
Lockup?

Door locks? column lock?
What about theft lock on the radio?? j/k
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Old Aug 27, 2009 | 03:57 PM
  #6  
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Car: 91 Trans Am
Re: lockup quit working

Check these circuits. It sounds like you have a bad conenction

http://www.lt1swap.com/pictures/16_a...amp_switch.gif
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Old Aug 27, 2009 | 07:18 PM
  #7  
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Car: 1982 Z28
Engine: LS1
Transmission: T56
Re: lockup quit working

There's a switch on the brake pedal bracket that closes the TCC circuit when the brake pedal is at rest, and opens it as soon as the pedal is depressed. It's in series with the TCC 12VDC supply. Probe the input pin of the switch for 12VDC to ground and report back.

Not sure which pin to probe? Probe each one to ground, one of them better have 12VDC when the ECM commands lockup.
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