If you are attempting to install a 1990-1993 steering wheel in a 1987-1989 car, then the steering column must also be changed. All
connections will hook up in the steering column except for the harness from the steering wheel, which provides the horn and cruise control signal. The windshield wipers will not work if the 1990-1993 switch is used on the 1987-1989 harness. Testing with a multimeter will show you the wires that Ford chose to move when the design of the switch changes. All controls have the same wiring except the windshield wipers. After the correct wires are determined, it is an easy task to remove the wires from the plug by pressing down on the tab on the front of the plug and sliding the wire out the back. Then, the wire can be inserted into the previously unused connection hole on the plug.
This process if much easier if you have an old harness from a 1990-1993 that comes out of the instrument cluster. The wires need to be as long as possible (6-8 inches), and they can be successfully wire tapped and soldered to the factory 1987-1989 harness.
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Showing posts with label ford mustang. Show all posts
Showing posts with label ford mustang. Show all posts
Saturday, July 12, 2008
2005 Ford Mustang GT Roushcharger Kit Installation Instructions
Application: 2005 Ford Mustang GT 4.6L 3 Valve with Manual Transmissions Only. Before installing your Roush Performance Products, please read the installation manual and verify that all items are present. Premium fuel (91 octane minimum) is required to prevent “spark-knock” or detonation under certain operating conditions.
There is a great deal of misinformation about the function of Roushcharger bypass systems. The Roushcharger is a positive-displacement pump; that is, so long as it is rotating, it is always pumping air. During low demand or high vacuum operation (idles, decelerations, and light throttle cruise), the pumping action is undesirable as it creates unwanted heat and noise. The bypass circuit, when open, prevents any pressure buildup across the Roushcharger and allows air to circulate through the rotors, allowing the Roushcharger to “idle” freely during these conditions. This results in reduced noise, and by reducing heat buildup in the intake, significantly improves street and strip performance. As throttle demand increases, the bypass circuit is closed, resulting in full performance from the Roushcharger. The bypass circuit is never used to limit or control boost during full-throttle operation and defeating or altering the bypass function will not result in improved performance in any condition, and will result in poor drivability.
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There is a great deal of misinformation about the function of Roushcharger bypass systems. The Roushcharger is a positive-displacement pump; that is, so long as it is rotating, it is always pumping air. During low demand or high vacuum operation (idles, decelerations, and light throttle cruise), the pumping action is undesirable as it creates unwanted heat and noise. The bypass circuit, when open, prevents any pressure buildup across the Roushcharger and allows air to circulate through the rotors, allowing the Roushcharger to “idle” freely during these conditions. This results in reduced noise, and by reducing heat buildup in the intake, significantly improves street and strip performance. As throttle demand increases, the bypass circuit is closed, resulting in full performance from the Roushcharger. The bypass circuit is never used to limit or control boost during full-throttle operation and defeating or altering the bypass function will not result in improved performance in any condition, and will result in poor drivability.
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