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Old 03-30-2012, 08:37 PM
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Wiring without ECM electronic control module

What is the best way to wire a 1986 Monte Carlo not using an ECM?

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Old 03-31-2012, 06:54 AM
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The computer harness is pretty much seperate from the basic wiring needed to run the car. you will see the harness coming from the passenger side of the engine bay, for all the Emmisions electronics.
Somewhere near the center of the firewall at the top where the harness runs across , the starter wire (purple 12 gauge) and the dizzy 12 volt + (12 gauge red or pink) will come out to go to each one.That would pretty much do it. There will be a dark green 16 gauge on the drivers side of the motor that will be for the temp gauge / light and I dont remember the color for the oil gauge / light , but you should be able to find it by looking for the connector , compare it to the one on the motor.
There will be a few wires from the computer harness that go back into the harness to the drivers side of the firewall, I dont recall what they are for at the moment, just leave them intact untill you determine their importance.
If you remove the computer wiring you are also defeating the pollution devices which means it wont pass an emission test.Just so you know.
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Old 03-31-2012, 10:41 PM
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A non-computer controlled carburator and HEI dizzy will be needed. Fuel pressure may need to regulated to 7psi depending on the type of pump on that engine. Check it with a pressure gauge.

vicrod
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Old 04-01-2012, 01:49 PM
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Removing ECM on SS Monte Carlo

This is for a SS Monte but should have what you need.
http://www.montecarloss.com/communit...007#Post245007

Fuel Pump should work, they used a CCC Q-Jet Carb.
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