Chassis Wiring – 6.0 Liter Body with BMW V-12
18 wires to Front Hood Area
13 wires to Each Door
36 wires to Rear of Car
Rear of Car Table 12 ‘14G’ – 21 ‘16G’ – 3 ‘10G’ = 36 total
Quantity / Item to Power / Wire Size / Run to:1 / Reverse Lights / 14 / Left Rear
1 / Brake Lights / 14 / Left Rear
1 / Left Signal / 14 / Left Rear
1 / Right Signal / 14 / Left Rear
1 / Marker Lights / 14 / Left Rear
1 / Ignition Power / 14 / RS Seat
1 / Fuel Gauge / 16 / Right Rear
1 / Check Engine Light / 16 / RS Seat
1 / EML Engine Light / 16 / RS Seat
1 / Gas Door Release / 14 / Right Rear
1 / Alternator Signal / 16 / Left Rear
1 / Temperature Gauge / 16 / Left Rear
1 / Low Coolant / 16 / Right Rear
1 / AC Clutch / 14 / Right Rear
1 / Fan Stat / 14 / Left Rear
1 / Starter Solenoid / 14 / Right Rear
1 / E-Brake on / 16 / Left Rear
1 / Oil Pressure Gauge / 16 / Left Rear
1 / Oil Level Sensor / 16 / Left Rear
2 / Speedometer / 16 / Left Rear
1 / Tachometer / 16 / RS Seat
1 / Engine Deck Lid Release / 14 / Left Rear
1 / Spare / 14 / Left Rear
1 / Spare / 16 / Right Rear
3 / MAIN POWER SUPPLY / 10 / RS Seat
8 / Throttle Potentiometer / 16 / RS Seat
3 MAIN POWER SUPPLY feed through circuit breakers to;
1) Key Switch
2) Relay Box 1
3) Relay Box 2
Front Hood Area Table 9 ‘14G’ – 9 ‘16G’ = 18 total
Quantity / Item to Power / Wire Size / Run to:5 / Wiper Motor / 16 / Steer Column
1 / Horn / 14 / Relay Box
1 / Low Beams / 14 / Relay Box
1 / High Beams / 14 / Relay Box
1 / Marker Lights / 14 / Relay Box
1 / Left Signal / 14 / Steer Column
1 / Right Signal / 14 / Steer Column
1 / Low Brake Fluid / 16 / Indicators
1 / Brake Warning / 16 / Indicators
1 / Wiper Washer Pump / 14 / Steer Column
1 / Fog Lights / 14 / Relay Box
1 / AC Signal (front condensers) / 16 / Relay Box
1 / Fan 12V Supply / 14 / Fuse Box
1 / Spare / 16 / Relay Box
Door Wiring Table X2 3 ‘14G’ – 10 ‘16G’ = 13 total
Quantity / Item to Power / Wire Size / Run to:2 / Speakers / 16 / Console
1 / Interior Light Switch / 16 / Relay Box
2 / Door Locks / 16 / Relay Box
1 / Interior Light arm rest / 16 / Relay Box
3 / Power Mirrors / 16 / Console
1 / Ground / 14 / Relay Box
2 / Power Windows / 14 / Relay Box
1 / Spare / 16 / Relay Box
Dash Relay Boxes
2, 10 gauge wires feed these boxes through 30 amp circuit breakers.
BMW boxes can handle 24 circuits (4 negative pulse)(20 positive pulse)
# / Item to Power / Pulse Type / Wire Origin1 / Starter Motor / Positive / Key/NSS
2 / Brake Lights / Positive / Brake Pedal
3 / Horn / Negative / Column
4 / Interior Light / Negative / Center Console
5 / Marker Lights / Positive / Center Console
6 / Head Lights / Positive / Center Console
7 / Headlight Dimmer / Negative / Column
8 / Fog Lights / Positive / Center Console
9 / Hazard / Positive / Center Console
10 / Gas Door / Positive / Center Console
11 / Door Unlock / Positive / Center Console
12 / Door Lock / Positive / Center Console
13 / LS Window Up / Positive / Center Console
14 / LS Window Down / Positive / Center Console
15 / RS Window Up / Positive / Center Console
16 / RS Window Down / Positive / Center Console
17 / Vintage Air Unit / Positive / Column/Fuse Panel
18 / AC Clutch / Positive / Vintage Air Stat
19 / Positive
20 / Positive
21 / Positive
22 / Positive
23 / Positive
24 / Negative
Relays Near Battery
# / Item to Power / Pulse Type / Wire Origin1 / Left Rad Fan / Negative / Adjustable Stat
2 / Right Rad Fan / Negative / Adjustable Stat
3 / Deck Lid Release / Negative / Left side Door Jam
Fuse Panel
# / Item to Fuse / Amperage / Run from: / Run to:1 / Constant (+) Switches / 10 / Key / Console
2 / Ignition System / 15 / Key / RS Seat
3 / Radio / 10 / Key ACC / Console
4 / Switched (+) Switches / 10 / Key / Console
5 / Horn / 15 / Relay / Hood
6 / Wiper System / 15 / Column / Hood
7 / Signal Lights / 15 / Key / Column
8 / Power Mirror Supply / 10 / Constant / Console
9 / Cigar Lighter / 20 / Constant / Console
10 / Fuel Pump / 20 / RS Seat / RS Rear
11
12
13
14
15
Fuses
1- 10Amp - Constant 12 volt for #86 terminals (ex: brake lights, interior light)
2- 10Amp - Switched 12 volt for #86 terminals on all other relays. Relays draw 0.2 amps on the coil side.
3- 15Amp - Horn
4- 15Amp - Wiper System
5- 15Amp - Signal Lights
6- 10Amo - Power Mirror Supply
7- 20Amp - Cigar Lighter