ROLLS-ROYCE SILVER SHADOW WIRING COLOURS (1974/5) ================================================= KEY: B=Black, G=Green, N=Brown, P=Purple, R=Red, S=Slate, U=Blue, W=White, Y=Yellow / C=Cotton, P=Plastic Earth connections (B) are not shown. Virtually everything is connected to Earth! Aerial Switch - GC GUC GRC Aerial Motor - GUC GRC Alternator - NGC NUC NWC Ammeter - NWC NC Auto-Park Relay - RYC RGP BNP Ballast Resistor - WP WGP Blower Motors - YGP Blower Motor Relay - YP GC GRC GBC Blower Switch - YP YGP YUP YNC YRC Bonnet Lamp - PC Bonnet Lamp Switch - PC Boot Lamp - PC Boot Lamp Switch - PC Boot Lid Switch - RPC RYC Boot Lid Solenoids - RPC RWC Charging Socket - PC Choke-On Start Relay - WRP WGP Choke Solenoid - WP WUP Cigar Lighters - PP Circ. Flap Actuator - PUP PYP Clock - PC Column Neutral Start Switch - WBC Compressor Clutch - WUP Coolant Level Amplifier - GUP Coolant Level Warning Lamp - GUP Coolant Probe - BGP Coolant Probe Relay - BGP Cubby Box Lamp and Switch - PC Dimming Relay - GRC GWC GNP RUC GWC GRC WPP WP Dip Switch - UWP UC URC Direction Indicator Flasher - GNC GPC WC Direction Indicator Lights (LH) - GRC Direction Indicator Lights (RH) - GWC Direction Indicator Switch - GNC GRC GWC GYP GUP Direction Indicator Warning Lamps - GYP GUP GPC Distributor LT - WBP Door Switches - PUC PC PGC Door Locking Cut-Out - RYC NC Door Locking Solenoids - RWC RUC Door Locking Switches - RYC RUC RWC Driver's Interior Lamp - PWC PRC Driver's Interior Lamp Switch - PC PWC Flasher - See Direction Indicators Fog Lamps - RYP Front Door Edge - PRC Fuel /Oil Gauge - GP GBC Fuse 1 - PC NC Fuse 2 - NGC Fuse 3 - PC Fuse 4 - UC NUC Fuse 5 - NPC WC Fuse 6 - NPC YP Fuse 7 - NRC RP Fuse 8 - NRC RBP Fuse 9 - URC URP Fuse 10 - URC URP Fuse 11 - NPC GP Fuse 12 - NPC WP Fuse 13 - RYP Fuse 14 - RYP Fuse 15 - NC PYC Fuse 16 - NC UYC Fuse 17 - NC NYC Fuse 18 - NC WYC Generator Warning Lamp - NYC NGC Gearchange Actuator - GBP BNP BRP BUP BGP BYP BWP Gearchange Selector Switch - NBC BNP BRP BUP BGP BYP BWP Gearchange Cut-Out - NBP NBC NC Handbrake Switch - UNC Handbrake Switch & Warning Lamp - UNC GP Hazard Warning Flasher - GNP GBC Hazard Warning Fuse - NC Hazard Warning Relay - GNP GRC GWC GBC Hazard Warning Switch - NC GBC GNP GNC Headlamps - URP UWP Headlamp Flash Relay - UBP UWP WC Headlamp Flash Switch - UBP Headlamp Safety Cut-Out - NUC UP Headlamp Safety Relay - URP UWP UWC UP Heater Switch - GP PWP PRP PNP PBP GNC NYP NGP NUP NRP NBP WRP Height Control Solenoid and Switch - BYP GP GYP Horn - PYP Horn Button - PBP Horn Relay - PBP WC Hot Metal Buzzer - GP GPC Hot Metal Sensor - GPC Ignition Coil - WGP WBP Interior Lamp Delay Relay - PC PBC PGC Intermittent Wipe Control - GWP GBP GC Key Warning Buzzer - PUC RNP Kick-Down Switch - WP WGP Kick-Down Solenoid - WGP Low Brake Fluid Switch & Warning Lamp - NGP GP Low Brake Pressure Switch & Warning Lamp 1 - WGP GP Low Brake Pressure Switch & Warning Lamp 2 - YGP GP Low Fuel Dimming Relay - WPP GP RP Low Fuel Warning Lamp - GNP WPP Lower Quantity Flap Actuator - PWP PRP PNP PBP Lower Temperature Flap Actuator - NYP NGP NUP NRP NBP Main Beam Warning Lamp - UWC Map Lamp Switch - PP PWC Master Cylinder Switch & Warning Lamp - PGP PGC GP Neutral Start Switch - WBC WRP Number Plate Lamps - RP Oil Pressure Warning Light & Switch - WNP GP Oil Level Test Switch - GBC GWP GRP GPC Panel Lamps - RWP Panel Lamp Switch - RBP RWP Part-Brake Failure Warning Lamp - UBC GP Passengers Interior Lamp - PWC PRC Petrol Pumps - WP Petrol Filler Door Solenoid - PGP Petrol Filler Door Switch - PGP PC Petrol Tank Sender - GWP GRP GNP Radio - BP SRP Radio Balance - SRP SUP SGP Radio Supply Filter - BP Rear Demister - GBP Rear Demister Fuse - NPC WGC Rear Demister Relay - GBP UP Rear Demister Switch - GBP WGC Rear Door Step - PRC Rear Reading Lamp and Switch - PYC PBC PC Recirculating Flap Actuator (RH) - RGP RYP Recirculating Flap Actuator (LH) - RBP RUP Refrigeration Switch - GP UYP YPP UP BUP BWP BRP YUP YWP YRP YNP YBP BNC RYP RGP UWP UNP UGP URP UBP Regulator - NC NYC NUC NGC Relays: Auto-Park Relay - RYC RGP BNP Blower Motor Relay - YP GC GRC GBC Choke-On Start Relay - WRP WGP Coolant Probe Relay - BGP Dimming Relay - GRC GWC GNP RUC GWC GRC WPP WP Hazard Warning Relay - GNP GRC GWC GBC Headlamp Flash Relay - UBP UWP WC Headlamp Safety Relay - URP UWP UWC UP Horn Relay - PBP WC Interior Lamp Delay Relay - PC PBC PGC Low Fuel Dimming Relay - WPP GP RP Rear Demister Relay - GBP UP Seat Relay & Motor (LH) - RYP RUP RWC RPC RBC RYC NRP Seat Relay & Motor (RH) - GBC GPC GWC GUP GRP NGP GYC Starter Relay - NBC WRP Stop Lamp Relay - WGP WUP PWP Warning Lamp Test Relay - WBC Water Tap Relays - GP WYP WPP YPP WUP WRP Reversing Lights - WNC WNP Reversing Light Switch - WNP GYP GUP Seat Fuses - NC Seat Relay & Motor (LH) - RYP RUP RWC RPC RBC RYC NRP Seat Relay & Motor (RH) - GBC GPC GWC GUP GRP NGP GYC Seat Switch (LH) - RWC RPC RBC GC RYC Seat Switch (RH) - GBC GPC GWC GYC GC Side Lamps (RH) - RGP Side Lamps (LH) - RYP Side Marker Lamps - RP Speakers - SGP SUP SBP Split Parking Switch - RGP RYP RP Starter Relay - NBC WRP Starter Solenoid - NC NBC Stop Lamps - WGP Stop Lamp Relay - WGP WUP PWP Stop Lamp Switch - WC WPP Stop Lamp Warning Lamp - GP WUP Suction Throttling Valve Actuator - BRP BWP BUP BNP WUP Switchbox (unumbered) - RYC Switchbox 2 - NWC Switchbox 3 - NGC Switchbox 4 - NUC Switchbox 5 - NRC Switchbox 6 - RUC Switchbox 8 - NPC Switchbox 10 - WBC WP Switchbox 11 - GBC GBP Switchbox Key Switch - RGP RNP Switchbox Park Switch - RNP Thermal Delay Switch (for Choke) - WUP NYC Thermal Switch (for Weakener) - WPP Upper Quantity Flap Actuator - UWP UGP URP UBP Upper Temperature Flap Actuator - YUP YWP YRP YNP YBP Warning Lamp Test Relay - WBC Wash Wipe Control - PGP GC GBC WGC UGP RGP GUP UP Washer Motor - GC GBC Water Tap Actuator - WYP WPP Water Tap Relays - GP WYP WPP YPP WUP WRP Weakener Cut-Off Solenoid - WP WPP Window Lift Cut-Out - PYC UYC NYC WYC Window Lift Motors - YC YBC YP YBP Window Lift Switches - YP YBP UGC URC WGC WRC Windscreen Wiper Motor - YGC RGC WGC NGC GYP UP GC Windscreen Wiper Switch - YGC BC RGC NGC RGP GYP UP UGP GUP PGP GWP GBP GC ROLLS-ROYCE SILVER SHADOW WIRING COLOURS (1974/5) - Reverse Look-up =================================================================== KEY: B=Black, G=Green, N=Brown, P=Purple, R=Red, S=Slate, U=Blue, W=White, Y=Yellow / C=Cotton, P=Plastic BLACK ----- BC Wiper Switch BP Radio, Radio Supply Filter BGP Gearchange Actuator, Gearchange Selector Switch, Coolant Probe, Coolant Probe Relay BNC Refrigeration Switch BNP Gearchange Actuator, Gearchange Selector Switch, Auot Park Relay, Suction Throttling Valve Actuator BRP Gearchange Actuator, Gearchange Selector Switch, Suction Throttling Valve Actuator, Refrigeration Switch BUP Gearchange Actuator, Gearchange Selector Switch, Suction Throttling Valve Actuator, Refrigeration Switch BWP Gearchange Actuator, Gearchange Selector Switch, Suction Throttling Valve Actuator, Refrigeration Switch BYP Gearchange Actuator, Gearchange Selector Switch, Height Control Solenoid and Switch GREEN ----- GC Blower Motor Relay, Wiper Switch, Wiper Motor, Washer Motor, Intermittent Wipe Control, Aerial Switch, LH Seat Switch, RH Seat Switch, Wash Wipe Control GP Fuse 11, Height Control Solenoid & Switch, Oil Pressure Warning Lamp & Switch, Fuel / Oil Gauge, Hot Metal Buzzer, Low Pressure Brake Warning Lamps, Low Brake Fluid Warning Lamp, Master Cylinder Warning Lamp, Part-Brake Failure Warning Lamp, Handbrake Warning Lamp, Stop Lamp Warning Lamp, Low Fuel Dimming Relay, Heater Switch, Water Tap Relays, Refrigeration Switch GBC Switchbox 11, Fuel/Oil Gauge, Oil Level Test Switch, RH Seat Relay & Motor, RH Seat Switch, Hazard Warning Flasher, Hazard Warning Switch, Hazard Warning Relay, Blower Motors, Wiper Motor, Wash/Wipe Control GBP Switchbox 11, Gearchange Actuator, Rear Demister, Rear Demister Relay & Switch, Wiper Switch, Intermittent Wipe Control GNC Hazard Warning Switch, Direction Indicator Switch, Direction Indicator Flasher, Heater Switch GNP Low Fuel Warning Lamp, Petrol Tank Sender, Hazard Warning Flasher, Hazard Warning Switch, Hazard Warning Relay, Dimming Relay GPC Oil Level Test Switch, Hot Metal Sensor, Hot Metal Buzzer, RH Seat Relay & Motor, RH Seat Switch, Direction Indicator Warning Lamps, Direction Indicator Flasher GRC Hazard Warning Relay, Direction Indicator Switch, LH Direction Indicator Lights, Dimming Relay, Blower Motor Relay, Aerial Switch, Aerial Motor GRP Oil Level Test Switch, Petrol Tank Sender, RH Seat Relay & Motor GUC Aerial Switch, Aerial Motor GUP Reversing Light Switch ,Coolant Level Amplifier, Coolant Level Warning Lamp, RH Seat Relay & Motor, Direction Indicator Switch, Direction Indicator Warning Lamps, Wiper Switch, Wash Wipe Control GWC RH Seat Relay & Motor, RH Seat Switch, Hazard Warning Relay, RH Direction Indicator Lights, Direction Indicator Switch, Dimming Relay GWP Oil Level Test Switch, Petrol Tank Sender, Wiper Switch, Intermittent Wipe Control GYC RH Seat Relay & Motor, RH Seat Switch GYP Height Control Solenoid and Switch, Reversing Light Switch, Direction Indicator Switch, Direction Indicator Warning Lamps, Wiper Switch, Wiper Motor BROWN ----- NC Fuse 1, Fuse 15, Fuse 16, Fuse 17, Fuse 18, Regulator, Starter Solenoid, Ammeter, Gearchange Cut-Out, Seat Fuses, Hazard Warning Fuse, Hazard Warning Switch, Door Locking Cut-Out NBC Starter Solenoid, Starter Relay, Gearchange Selector Switch, Gearchange Cut-Out NBP Gearchange Cut-Out, Heater Switch, Lower Temperature Flap Actuator NGC Fuse 2, Regulator, Alternator, Switchbox 3, Generator Warning Lamp, Wiper Switch, Wiper Motor NGP RH Seat Relay & Motor, Low Brake Fluid Switch & Warning Lamp, Heater Switch, Lower Temperature Flap Actuator NPC Fuse 5, Fuse 6, Fuse 11, Fuse 12, Switchbox 8, Rear Demister Fuse NRC Fuse 7, Fuse 8, Switchbox 5 NRP LH Seat Relay & Motor, Heater Switch, Lower Temperature Flap Actuator NUC Fuse 4, Regulator, Alternator, Switchbox 4, Headlamp Safety Cut-OutNUP - Heater Switch NUP Lower Temperature Flap Actuator NWC Alternator, Switchbox 2, Ammeter NYC Fuse 17, Regulator, Generator Warning Lamp, Thermal Delay Switch (for Choke), Window Lift Cut-Out NYP Heater Switch, Lower Temperature Flap Actuator PURPLE ------ PC Fuse 1, Fuse 3, Boot Lamp & Switch, Petrol Filler Door Switch, Driver's Interior Lamp Switch, Rear Reading Lamp & Switch, Clock, Charging Socket, Cubby Box Lamp & Switch, Bonnet Lamp & Switch, Interior Lamp Delay Relay, Door Switches PP Cigar Lighters, Map Lamp Switch PBC Rear Reading Lamp and Switch, Interior Lamp Delay Relay PBP Horn Button, Horn Relay, Lower Quantity Flap Actuator, Heater Switch PGC Interior Lamp Delay Relay, Door Switches, Master Cylinder Switch & Warning Lamp PGP Petrol Filler Door Solenoid, Petrol Filler Door Switch, Master Cylinder Switch & Warning Lamp, Wash Wipe Control, Wiper Switch PNP Heater Switch, Lower Quantity Flap Actuator PRC Driver's Interior Lamp, Front Door Edge, Rear Door Step, Passengers Interior Lamp PRP Heater Switch, Lower Quantity Flap Actuator PUC Key Warning Buzzer, Door Switches PUP Circ. Flap Actuator PWC Driver's Interior Lamp, Driver's Interior Lamp Switch, Map Lamp Switch, Passengers Interior Lamp PWP Stop Light Relay, Heater Switch, Lower Quantity Flap Actuator PYC Fuse 15, Rear Reading Lamp & Switch, Window Lift Cut-Out PYP Horn, Circ. Flap Actuator RED --- RP Fuse 7, Side Marker Lamps, Number Plate Lamps, Split Parking Switch, Low Fuel Dimming Relay RBC LH Seat Relay & Motor, LH Seat Switch RBP Fuse 8, Panel Lamp Switch, LH Recirculating Flap Actuator RGC Wiper Switch, Wiper Motor RGP Switchbox Key Switch, Auto-Park Relay, Wiper Switch, Wash Wipe Control, RH Recirculating Flap Actuator, RH Side Lamps, Refrigeration Switch, Split Parking Switch RNP Key Warning Buzzer, Switchbox Park Switch, Switchbox Key Switch RPC LH Seat Relay & Motor, LH Seat Switch, Boot Lid Switch, Boot Lid Solenoids RUC Switchbox 6, Dimming Relay, Door Locking Solenoids, Door Locking Switches RUP LH Seat Relay & Motor, LH Recirculating Flap Actuator RWC LH Seat Relay & Motor, LH Seat Switch, Boot Lid Solenoids, Door Locking Solenoids, Door Locking Switches RWP Panel Lamps, Panel Lamp Switch RYC Switchbox (unumbered), Auto Park Relay, LH Seat & Motor Relay, LH Seat Switch, Boot Lid Switch, Door Locking Switches, Door Locking Cut-Out RYP Fuse 13, Fuse 14, Foglamps, LH Seat Relay & Motor, LH Side Lights, Split Parking Switch, RH Recirculating Flap Actuator, Refrigeration Switch SLATE ----- SBP Speakers SGP Radio Balance, Speakers SRP Radio, Radio Balance SUP Radio Balance, Speakers BLUE ---- UC Fuse 4, Dip Switch UP Rear Demister Relay, Wiper Switch, Wiper Motor, Wash Wipe Control, Headlamp Safety Relay, Headlamp Safety Cut-Out, Refrigeration Switch UBC Part-Brake Failure Warning Lamp UBP Headlamp Flash Switch, Headlamp Flash Relay, Upper Quantity Flap Actuator, Refrigeration Switch UGC Window Lift Switches UGP Wiper Switch, Wash Wipe Control, Upper Quantity Flap Actuator, Refrigeration Switch UNC Handbrake Switch, Handbrake Switch & Warning Lamp UNP Refrigeration Switch URC Fuse 9, Fuse 10, Window Lift Switches, Dip Switch URP Fuse 9, Fuse 10, Headlamps, Headlamp Safety Relay, Upper Quantity Flap Actuator, Refrigeration Switch UWC Headlamp Safety Relay, Main Beam Warning Lamp UWP Headlamp Flash Relay, Headlamps, Headlamp Safety Relay, Dip Switch, Upper Quantity Flap Actuator, Refrigeration Switch UYC Fuse 16, Window Lift Cut-Out UYP Refrigeration Switch WHITE ----- WC Fuse 5, Stop Light Switch, Direction Indicator Flasher, Headlamp Flash Relay, Horn Relay WP Fuse 12, Weakener Cut-Off Solenoid, Switchbox 10, Choke Solenoid, Petrol Pumps, Kick-Down Switch, Ballast Resistor, Dimming Relay WBC Switchbox 10, Neutral Start Switch, Column Neutral Start Switch, Warning Lamp Test Relay WBP Ignition Coil, Distributor LT WGC Window Lift Switches, Rear Demister Switch, Rear Demister Fuse, Wiper Motor, Wash Wipe Control WGP Choke-On Start Relay, Kick-Down Switch, Kick-Down Solenoid, Ignition Coil, Ballast Resistor, Stop Lights, Stop Light Relay, Low Brake Pressure Switch & Warning Lamp 1 WNC Reversing Lights WNP Reversing Lights, Reversing Light Switch, Oil Pressure Warning Lamp & Switch WPP Weakener Cut-Off Solenoid, Thermal Switch (for Weakener), Stop Light Switch, Dimming Relay, Low Fuel Warning Lamp, Low Fuel Dimming Relay, Water Tap Relays, Water Tap Actuator WRC Window Lift Switches WRP Neutral Start Switch, Starter Relay, Choke-On Start Relay, Heater Switch, Water Tap Relays WUP Thermal Delay Switch (for Choke), Choke Solenoid, Stop Light Relay, Stop Light Warning Lamp, Compressor Clutch, Water Tap Relays, Suction Throttling Valve Actuator WYC Fuse 18, Window Lift Cut-Out WYP Water Tap Relays, Water Tap Actuator YELLOW ------ YC Window Lift Motors YP Fuse 6, Window Lift Motors, Window Lift Switches, Blower Switch, Blower Motor Relay YBC Window Lift Motors YBP Window Lift Motors, Window Lift Switches, Upper Temperature Flap Actuator, Refrigeration Switch YGC Wiper Switch, Wiper Motor YGP Low Brake Pressure Switch & Warning Lamp 2, Blower Switch, Blower Motors YNC Blower Switch YNP Refrigeration Switch, Upper Temperature Flap Actuator YPP Water Tap Relays, Refrigeration Switch YRC Blower Switch YRP Refrigeration Switch, Upper Temperature Flap Actuator YWP Upper Temperature Flap Actuator, Refrigeration Switch YUP Refrigeration Switch, Upper Temperature Flap Actuator, Blower Switch Information compiled from TSD 4028. Please notify any errors to supermuzik@aol.com Bob Reynolds - 2/2013