I have replaced the Shifter (Shift Lock Control Actuator) and it's wiring harness, but there still is no voltage getting to the yellow wire or the purple wire. Is there a relay or a fuse that is in that circuit that could be the problem? Or does it sound like it is possibly the ignition switch?
Electronic Park Lock (EPL)/Ignition Lock Cylinder Control Actuator: If the vehicle is equipped with automatic transmission and a floor mounted console gear shift, it has an ignition lock cylinder control actuator system in the steering column. The ignition lock cylinder control actuator purpose is to prevent the ignition key from being turned to the OFF position when the transmission is in any position other than PARK and the vehicle may still be moving. The column ignition lock system consists of an ignition lock cylinder control actuator, and a park position switch that is located in the automatic transmission shift lock control switch. The ignition lock cylinder control actuator contains a pin that is spring loaded to mechanically prevent the ignition key cylinder from being turned to the lock position when the vehicle transmission is not in the PARK position. If vehicle power is lost, and/or the transmission is not in the PARK position the operator will not be able to turn the ignition key to the lock position and will not be able to remove the ignition key from the column.
Does your impala have floor shifter ?
SOURCE: engine wont crank
im looking at that circuit , on the start relay on your radiator support , red is always hot via fusible link , purple to solenoid as you say , orange/black wire should be hot in run or start mode , if it is not the fuse for that wire is PCM/ABS 10 amp located fuse block in driver door jam , it does go through the nuetral saftey switch , the yellow wire going to the PCM must ground that relay to activate start mode . last note there is a PCM/CRANK fuse in the driver door jam also , 10 amp , if all this is good i would like to hear more . 1 more note about the nuetral saftey switch is the pink wire going in and the orange/black wire coming out should have continuity in park and nuetral ....let us know thanks
SOURCE: Purple solenoid wire shorted, no pwr coming from ign switch
look for a 5 amp fuse, crank fuse in car, not under hood
SOURCE: ignition switch will not activate starter motor
Bad ignition switch and starter symptoms are similar. The engine will turn sometimes and will not turn some other times. If it is the switch you will not even here a clicking sound. If the starter is bad you might hear a clicking. If the distributor is bad than the engine will turn every time but it will not start running or will start but not run properly (misfire).
SOURCE: 2004 Ford Expedition, battery draining
Start pulling fuses,one at a time,with an AMP meter in series with a battery cable. When you find anything over a few Mili Amps still on,you found the item,assuming every system has timed out. Some may take 15 min to do so. 40 Mili Amp will always be there, to power memory,clock,etc.
SOURCE: No voltage on purple wire @ starter. I have 12
You should have 12 volts on the purple wire when you turn the ignition key to start and not in run. If you have no voltage on purple wire at starter (and the wire is clean) when key is turned to start, check the fuses (the fuse block is located behind a cover in the dash to the left of the steering column). If fuses are good you may need an ignition switch. Hope this helps.
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The automatic transmission shift lock control switch
With the ignition in the ON position, voltage is supplied to automatic transmission shift lock control switch. Voltage flows through the normally closed contacts of the automatic transmission shift lock control switch to the automatic transmission shift lock control solenoid. The automatic transmission shift lock control solenoid is permanently grounded. This energizes the automatic transmission shift lock control solenoid causing the transmission shift lever to be physically locked in the PARK position. When the brake pedal is pressed the contacts in the automatic transmission shift lock control switch open, de-energizing the automatic transmission shift lock control solenoid. This allows the shift lever to be move out of the PARK position.
Shift Lever Does Not Move with Brake Pedal Depressed ?
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