1997 Buick Regal System Wiring Diagrams Engine Performance Circuits

1997 Buick Regal System Wiring Diagrams Engine Performance Circuits
The content of the schematic wiring diagrams includes:

fuel pump relay
fuse block
instrument cluster : a set of instrumentation, including the speedometer, that is displayed with a digital readout rather than with the traditional analog gauges. (wikipedia)
exhaust gas recirculation valve: a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. (about.com)
throttle position sensor: a sensor used to monitor the position of the throttle in an internal combustion engine. (wikipedia)
engine coolant temperature sensor : a sensor that is screwed into the engine's block or cylinder head and is used to determine the temperature of the engine coolant. (obd-codes)
super charger bypass valve
stoplamp switch
underhood electrical center
fuel pump
fuel pump resistor
ignition amplifier and switching module
crankshaft position sensor
camshaft position sensor

Also pay attention on the wire color coding to ease you in determining each wire.

Click on the image to enlarge.

WIRING DIAGRAMS