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Old 01-28-2020, 08:52 PM   #1
jarrodblake
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Join Date: Sep 2017
Location: Patriot IN
Posts: 163
1970 fuse box upgrade/ conversion to 18-Way Fuse Box

I'm in the middle of upgrading my fuse box to a 18 circuit fuse box for my c30.

I'm not sure where to place some of the wires on the new box.

Here is a pic of the new fuse box.

IMAG2651 by jarrod vanwinkle, on Flickr

Here is the list of all the circuits on the new fuse box.

1 HAZARD
2 COIL
3 HORN
4 HEADLIGHT
5 DOME
6 PWR WINDOW
7 CIG LIGHTER
8 WIPERS
9 STOP
10 fUEL PUMP
11 GAUGES
12 RADIO
13 DOOR LOCKS
14 A/C HEAT
15 ELEC FAN
16 BACKUP/ CRUISE
17 RADIO
18 TURN SIGNAL

Here is the list of all the circuits on the old fuse box.

1 AIR COND HEAT
2 RADIO IS A BLADE CONNECTOR
3 BU LPS FROM WHAT I HAVE READ IT IS FOR THE BACK UP LIGHTS?
4 WIPERS
5 TRAFFIC HAZ
6 TAIL STOP PARK DOME
7 GL BOX & SPOT LP
8 PNL LTS


Here is the list of all the circuits on the new fuse box. That I have hooked up.


1 HAZARD (5) TRAFFIC HAZ is jumped to the flasher relay.
2 COIL
3 HORN
4 HEADLIGHT
5 DOME
6 PWR WINDOW
7 CIG LIGHTER
8 WIPERS (4) WIPERS
9 STOP (6) TAIL STOP PARK DOME
10 fUEL PUMP
11 GAUGES 8 PNL LTS
12 RADIO
13 DOOR LOCKS
14 A/C HEAT (1) AIR COND HEAT
15 ELEC FAN
16 BACKUP/ CRUISE (3) BU LPS FROM WHAT I HAVE READ IT IS FOR THE BACK UP LIGHTS?
17 RADIO
18 TURN SIGNAL

Should I wire the (7) GL BOX & SPOT LP to the (5) DOME, as tail lights and dome are on the same circuit? Also what is SPOT LP?

Should I wire (9) PNL LTS to (4) HEADLIGHT?

I have two radio fuses. Should I wire one for constant power and one for keyed power Or just use one for keyed power and run the constant power unfused? I plan on running all unused fuses to a 12 Position Covered Dual Row Screw Terminal Block Connector Bar. So when I add the rest of my accessories I can just connect them to the Terminal Block for keyed fused power.


IMAG2650 by jarrod vanwinkle, on Flickr

IMAG2649 by jarrod vanwinkle, on Flickr

Last edited by jarrodblake; 02-01-2020 at 12:31 AM.
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