Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

override VATS

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Old Apr 15, 2004 | 04:40 PM
  #1  
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From: olmsted falls ohio
Car: 91 RS
Engine: Carb 350
Transmission: 700R4
override VATS

i used to have a TBI car..now its a carb motor...so theres no computer...but the chip in the key is telling something not to start the car..anyone have any ideas on how to override this problem?
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Old Apr 15, 2004 | 05:28 PM
  #2  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
There are two yellow wires that come off the ignition switch. They go to the starter enable relay under the left kick panel. The starter enable relay is controled by the VATS control module. There is a dark green wire that goes from the starter enable relay to pin "A3" of the Vats module. Disconnect the starter enable relay and but a fused jumper between pin "E" and pin "A" of the connector. Pin "A" is a dark green/white wire that goes to the Park/Neutral switch. This will bypass that portion of the VATS.
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Old Apr 15, 2004 | 09:24 PM
  #3  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Here is an update to my last post. I found this schematic for the ignition system on an 1985 camaro that should work for you.
Remove the starter enable relay connector, cut the yellow wire that goes to pin "E" where it splices into the yellow wire from pin "C". Next splice the yellow wire from pin "C" to the dark green/white wire at pin "A" which goes to the park/neutral switch.
Attached Thumbnails override VATS-pg127.gif  
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Old Apr 17, 2004 | 10:39 AM
  #4  
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From: olmsted falls ohio
Car: 91 RS
Engine: Carb 350
Transmission: 700R4
will that also help with my gauges since they dont work? (unless the door is open)
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Old Apr 17, 2004 | 10:41 AM
  #5  
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From: olmsted falls ohio
Car: 91 RS
Engine: Carb 350
Transmission: 700R4
alright the car starts up right away now...doing what ya said worked for starting (thanks) but my gauges still dont work..any idea?
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Old Apr 17, 2004 | 10:55 AM
  #6  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
I will see what I can find but I believe that your instrument cluster is electronic.
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Old Apr 17, 2004 | 02:27 PM
  #7  
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From: Your neighbor's hood, MD
Car: 1987 Camaro Z28 IROC-Z
Engine: 5.7L TPI
Transmission: T5
Axle/Gears: 3.42:1
You need to reattach all the sending units for the gauges to work. Do any of them work?? Speedo? What transmission are you using?
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Old Apr 19, 2004 | 02:49 PM
  #8  
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From: olmsted falls ohio
Car: 91 RS
Engine: Carb 350
Transmission: 700R4
700r4 the gauges work butttttttttt only when the door is open...but the speedo doesnt work at all
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Old Apr 28, 2004 | 04:19 PM
  #9  
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From: Elk Grove Village, IL
Car: 1989 TransAm GTA
Engine: One sweet modified 355 TPI.
Transmission: The kind that shifts....
Sammy, I am chasing the EXACT same proble you are. My gauges will NOT work unless the door is open. When the door is closed the gauges kind of work, but only if the dimmer switch is set to the full down position. Its very odd.

Recently, I started to blow the gauge fuse pretty bad. In fact, if I put a 30amp fuse in there it will last for like 3 seconds then die.

And with my fun luck my multimeter doesn't measure anything other than milliamps. So I can't really attach the meter and find out anything.
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Old Apr 30, 2004 | 12:51 AM
  #10  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
sounds like a short/ground issue, but that doesn't exactly help you track it down.
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Old Apr 30, 2004 | 09:17 AM
  #11  
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From: Elk Grove Village, IL
Car: 1989 TransAm GTA
Engine: One sweet modified 355 TPI.
Transmission: The kind that shifts....
Exactly. I already knew it was a short in the system. And I had a feeling where it would be. Trixter gave me some excellent help that just confirmed my suspicions.

Fixed the gauge fuse issue. Everythings back to the ol' problem again. I suspected a loose ground is causing the problem, I have yet to be able to track it down yet though.
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Old May 1, 2004 | 10:58 AM
  #12  
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From: olmsted falls ohio
Car: 91 RS
Engine: Carb 350
Transmission: 700R4
i have yet to figure it out as well...if ya do let me know! its annoying!
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