Replacing the water pump and belt should not affect turn signal operation.
a malfunction of the hard drive to send signals to the processor
The Error 54.17 in the HP Color Laserjet 4700 signals a sensor malfunction. The malfunction has occurred in the sensor for the color Cyan.
More than likely the Flasher Relay is defective. Replace it.
let the wife reverse park in to a small space
If the relay has malfunctioned, yes.
Check the fuse panel it is possible you blew the fuse needed to run the turn signals
Try replacing turn signal flasher
Check the flasher.
Absolutely not. Before flashing lights were put on cars, hand signals were all that was available to indicate a turn. In fact, hand signals were once required (in Louisiana, at least) even if your vehicle had flashing signal lights. It's important to know and be prepared to use hand signals in the event your signal lights malfunction. Source: common sense
There are two relays, one for the emergency flashers, and one for the turn signals. Your turn signal flasher is defective and needs replacing.
If the bulbs all come on but do not flash then the flasher relay is defective and needs replacing.
If turn signals are malfunctioning after a stereo has been stolen on a 1996 Honda Accord then there may be a problem with the wiring. The wiring flows into the same fuse and an open wire can cause the lights to malfunction.