LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

94 Lt1 batch fired or sequential fired

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Old Sep 21, 2016 | 05:56 AM
  #1  
frankrizz's Avatar
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94 Lt1 batch fired or sequential fired

Hey Guys,
Need some clarification. Is a 94 lt1 Batch fired or sequential fired?
The reason I ask is that I think one of the fuel injection electric connectors on the r/s may have been reversed. Don't know if this matters.
Old Sep 21, 2016 | 06:27 AM
  #2  
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Re: 94 Lt1 batch fired or sequential fired

It is sequential. The injector plugs are numbered (on a stock harness, anyway).
Old Sep 21, 2016 | 08:01 AM
  #3  
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Re: 94 Lt1 batch fired or sequential fired

Originally Posted by shoebox
It is sequential. The injector plugs are numbered (on a stock harness, anyway).

Thanks so much! That being said From front to rear right bank reads:
PED 39, PED36 PED34, PED35


From front to rear left bank reads:
PED27, PED35, PED26, PED39


Is this the correct order?
Old Sep 21, 2016 | 11:30 AM
  #4  
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Re: 94 Lt1 batch fired or sequential fired

You should see the numbers 1 thru 8 on the injector harness connectors. Starting at driver's side front 1, 3, 5, 7. Starting at passenger side front 2, 4, 6, 8, These are the stock 6 and 8 connectors on the 94 that I bought brand new in 94 and still have (probably one of the few stock/unaltered parts in the photo):
Attached Thumbnails 94 Lt1 batch fired or sequential fired-dcp04227.jpg  
Old Sep 21, 2016 | 03:04 PM
  #5  
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Re: 94 Lt1 batch fired or sequential fired

If you need to go by the wire colors, use this schematic. One wire will be pink and the other will be various colors.
Old Sep 21, 2016 | 09:51 PM
  #6  
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Re: 94 Lt1 batch fired or sequential fired

The "PED" means Packard Electric Division. It just tells you what part of GM made the connectors.
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