Skip to content

Electrical System Planning - Trader 01

Full rewire using Infinitybox PDM system for 1996 F-250 with Godzilla 7.3L / 6R140 / Electric Shift Transfer Case swap.

Status: Active Planning - Components Selected Last Updated: 2026-02-01

Key Components Owned: - Swap the Universe Godzilla/6R140 Control Pack - Swap the Universe Transfer Case Controller - Infinitybox Full Kit (MASTERCELL + POWERCELLs + Harness)


System Architecture Overview

Infinitybox System Components

MASTERCELL Input Controller - Location: Interior (under dash or behind seat) - Purpose: Receives all switch inputs, sensors, and triggers - Connects to: Switches, door pins, key-on signal, brake pedal, etc. - Communication: CAN bus to POWERCELLs

POWERCELL Output Module(s) - Location: Engine bay (front POWERCELL) + Rear (rear POWERCELL if needed) - Purpose: High-current switching for all loads - Each POWERCELL: Multiple high-current outputs with built-in protection - Communication: CAN bus from MASTERCELL

Infinitybox NGX System ✓ OWNED (Order #8766)

Received: - IPM1 Kit (MASTERCELL NGX + POWERCELL(s) NGX + harnesses) - inVERT Mini (turn signal flasher module) - 4x inMOTION Door Modules (one per door) - Pre-built harnesses with pig-tail terminations

Pending shipment (verify status): - Additional POWERCELL NGX - inCODE NGX System Programmer - inLINK NGX Wireless Interface Kit

Harness notes (from Jay @ Infinitybox): - Harnesses plug directly into MASTERCELL, POWERCELLs, inMOTION cells - Opposite ends are pig tails - cut to length and crimp your terminals - Need butt-splices or fast-on connectors for existing light wires - May need steering column mating connector (TBD based on column choice)

Swap the Universe Components ✓ OWNED

STU Godzilla/6R140 Control Pack - Location: Firewall or inner fender (TBD) - Purpose: Engine ECU + Transmission TCM in one unit - Inputs: Key-on, crank signal, throttle pedal, sensors - Outputs: Fuel injectors, coils, transmission solenoids

STU Transfer Case Controller - Location: Under dash or transmission tunnel - Purpose: Controls electric shift transfer case motor - Inputs: Shift switch (2H/4H/4L), position sensor feedback - Outputs: TC shift motor drive, position indicator


System Integration Map

┌─────────────────────────────────────────────────────────────────────┐
│                        BATTERY (PRIMARY)                            │
│                              (+)                                    │
└──────────┬──────────────┬──────────────┬──────────────┬────────────┘
           │              │              │              │
           │         ┌────▼────┐    ┌────▼────┐   ┌────▼────┐
           │         │POWERCELL│    │STU      │   │STU TC   │
           │         │(Front)  │    │Control  │   │Control  │
           │         │         │    │Pack     │   │         │
           │         └────┬────┘    └────┬────┘   └────┬────┘
           │              │              │              │
           │         CAN Bus        Engine/Trans   TC Motor
           │              │           Harness       Harness
           │              │              │              │
      ┌────▼────┐    ┌────▼────┐        │              │
      │Starter  │    │MASTERCELL│◄──────┘              │
      │Relay    │    │(Interior)│    Key-on signal     │
      └─────────┘    └────┬────┘                       │
                         │                             │
                    Switch Inputs                      │
                         │                             │
              ┌──────────┼──────────┐                  │
              │          │          │                  │
         ┌────▼───┐ ┌────▼───┐ ┌────▼───┐        ┌────▼───┐
         │Lighting│ │Accessory│ │Gauges │        │TC Shift│
         │Switches│ │Switches │ │Cluster│        │Switch  │
         └────────┘ └─────────┘ └───────┘        └────────┘

Integration Points

From To Signal Wire Notes
Battery + STU Control Pack Main power 8 AWG Fused at battery
Battery + STU TC Controller Main power 12 AWG Fused
Battery + POWERCELL Main power 4 AWG Per Infinitybox spec
Ignition switch MASTERCELL Key-on trigger 18 AWG Input to MASTERCELL
MASTERCELL STU Control Pack Key-on signal 18 AWG Switched output from MASTERCELL
MASTERCELL Starter relay Crank signal 18 AWG Momentary during crank
STU Control Pack MASTERCELL Reverse signal 18 AWG Trigger for reverse lights
STU Control Pack Gauges Tach/Temp/Oil Signal Depends on cluster choice
STU TC Controller Dash Position indicator Signal 2H/4H/4L lights
Shift switch STU TC Controller Mode select 18 AWG Driver input

CAN Bus Architecture

Separate CAN Networks (Recommended) - Infinitybox CAN: MASTERCELL ↔ POWERCELL(s) — dedicated network - STU CAN: Control Pack internal — isolated from Infinitybox

Why separate? - Avoids CAN ID conflicts - Simplifies troubleshooting - Each system is self-contained - No custom CAN programming required


Power Distribution Strategy

Battery System

Primary Battery - Type: [ ] AGM / [ ] Lithium - Location: Engine bay - Purpose: Engine starting, primary vehicle electrical - Capacity: _____ Ah

Secondary Battery (Optional) - Type: [ ] AGM / [ ] Lithium - Location: [ ] Engine bay / [ ] Bed / [ ] Under seat - Purpose: Accessories, winch, camping power - Isolator/Charger: [ ] Redarc / [ ] Blue Sea ACR / [ ] Infinitybox solution

Alternator

  • Type: High-output alternator recommended for full rewire
  • Output: _____ Amps (recommend 200A+ for Godzilla swap with accessories)
  • Notes: Godzilla uses modern serpentine setup

Circuit Planning

Vehicle Functions (MASTERCELL Inputs → POWERCELL Outputs)

Lighting Circuits

Circuit Load Est. Amps Trigger Notes
Headlights - Low Beam OEM or LED upgrade 15A Headlight switch
Headlights - High Beam OEM or LED upgrade 15A Headlight switch + dimmer Flash-to-pass logic
Parking Lights Front + rear markers 5A Headlight switch position 1
Turn Signals - Left Front + rear left 5A Turn signal switch Infinitybox flasher module
Turn Signals - Right Front + rear right 5A Turn signal switch Infinitybox flasher module
Brake Lights Rear brake lights 10A Brake pedal switch
Reverse Lights Rear reverse 5A Transmission reverse signal
Hazard Lights All turn signals 10A Hazard switch Override turn signals
License Plate Light Rear plate 2A Parking light circuit
Interior Dome Cab dome light 2A Door pins + manual switch Delay-off feature

Accessory Circuits

Circuit Load Est. Amps Trigger Notes
Wipers - Low Wiper motor 10A Wiper switch
Wipers - High Wiper motor 15A Wiper switch
Washer Pump Washer fluid pump 5A Washer switch Momentary
Horn Dual horns 15A Horn button
Heater Blower HVAC blower motor 20A Blower switch Multi-speed
Defrost Rear defrost (if equipped) 20A Defrost switch Timer logic optional
Power Windows Window motors 20A each Window switches If equipped
Power Locks Door lock actuators 10A Lock switch/remote If equipped

Gauge & Instrument Circuits — Dakota Digital RTX ✓ OWNED

Dakota Digital RTX System (upgraded from VHX) - Full-color TFT display with customizable layouts - Accepts direct sensor inputs (no adapters needed for modern sensors) - Built-in signal conditioning for tach, temp, pressure, fuel - Configurable via Dakota Digital control box - OEM-style appearance with customizable backlighting

Owned Dakota Digital Modules: - RTX-92F-PU-X Cluster, GPS-50-2 Speed Sensor, GPS Antenna - BIM-01-2 Expansion, BIM-RGB Lighting, BIM-22-3 TPMS - DIM-1 Dimming Kit, SEN-15-1 Air Temp Sender - VCM-105 Cruise Commander, PAC-1300 Auto Headlights, PAC-3500 Door Control

Signal Source Dakota Input Notes
Tachometer STU Control Pack Tach input Verify signal type (coil/ECU)
Speedometer VSS or GPS Speed input GPS module recommended for swaps
Coolant Temp Godzilla sensor → STU Temp sender input May need STU output or tap sensor
Oil Pressure Godzilla sensor → STU Pressure sender input Verify sender compatibility
Fuel Level Tank sender Fuel sender input Keep OEM sender or match to DD
Voltmeter Direct battery sense Internal Built into VHX

Warning Lights (from STU Control Pack) | Indicator | STU Output | DD Input | |-----------|------------|----------| | Check Engine | MIL output | Warning input | | Oil Pressure Warning | Low oil output | Warning input | | High Temp Warning | Overheat output | Warning input | | Turn Signals L/R | MASTERCELL | Indicator inputs | | High Beam | MASTERCELL | Indicator input |

Parts Status: - [x] Dakota Digital RTX-92F-PU-X (1992-97 F-Series) ✓ OWNED - [x] Dakota Digital GPS-50-2 speed sensor ✓ OWNED - [x] All BIM expansion modules ✓ OWNED - See PURCHASE_LOG.md for complete list


Off-Road / Accessory Circuits

Circuit Load Est. Amps Trigger Notes
Aux Lights - Front Bar LED light bar 30A Manual switch
Aux Lights - Pods Ditch lights / spot pods 20A Manual switch
Aux Lights - Rock Lights Underbody rock lights 10A Manual switch
Aux Lights - Rear Chase light / reverse flood 15A Manual + reverse trigger
Winch Winch motor Direct to battery Winch controller NOT through Infinitybox - direct battery
Air Compressor Onboard air 30A Manual switch ARB or similar
Ham Radio VHF/UHF transceiver 15A Key-on or manual
CB Radio CB transceiver 5A Key-on or manual
USB/12V Outlets Charging ports 10A Key-on Multiple locations
Inverter 120V inverter 30A+ Manual switch Size dependent

Powertrain Integration

Godzilla 7.3L Engine

Engine Harness - Ford Godzilla requires standalone ECU harness OR control pack - Selected: Swap the Universe Control Pack ✓ - Pre-configured ECU for Godzilla 7.3L - Integrated 6R140 TCM control - CAN-ready for PDM integration

Engine Signals to Infinitybox | Signal | Purpose | Notes | |--------|---------|-------| | Tach signal | RPM for gauges | From ECU or coil | | Oil pressure sender | Gauge/warning | May need adapter | | Coolant temp sender | Gauge/warning | May need adapter | | Check engine light | Warning indicator | From ECU | | Key-on signal | Power-on trigger | To ECU and Infinitybox | | Starter signal | Crank signal | From Infinitybox to starter relay |

6R140 Transmission

Transmission Control - 6R140 is electronically controlled - requires TCM - Selected: Swap the Universe Control Pack ✓ (integrated with engine control)

Transmission Signals | Signal | Purpose | Notes | |--------|---------|-------| | PRNDL | Gear position indicator | To cluster/Infinitybox | | Reverse signal | Reverse lights trigger | To Infinitybox | | Neutral safety | Starter inhibit | Through Infinitybox logic | | Transmission temp | Warning/gauge | Optional |

Electric Shift Transfer Case

Transfer Case Controller - Electric shift transfer case (from Super Duty) needs controller - Selected: Swap the Universe Transfer Case Controller ✓

Transfer Case Signals | Signal | Purpose | Notes | |--------|---------|-------| | 2H/4H/4L position | Mode indicator | To dash indicator | | Shift motor power | Mode selection | Through controller | | Position sensors | Feedback to controller | |


Switch Panel Planning

Primary Switch Locations

Dash-Mounted Switches - Headlight switch (OEM style or custom) - Wiper/washer switch - Hazard switch - Defrost switch (if equipped) - HVAC blower switch

Center Console Switches - Transfer case mode selector - Aux light switches - Air compressor switch - Diff lock switches (if equipped)

Overhead Console (Optional) - Map lights - Aux light master - Radio controls

Infinitybox Input Mapping

See: MASTERCELL_INPUT_MAP.md for complete input assignment table.

Summary: ~30 inputs defined across lighting, ignition, powertrain signals, driver controls, vehicle status, and auxiliary switches. Some inputs pending clarification from Infinitybox (driver door, mirrors).


Wire Routing Strategy

Engine Bay

Front POWERCELL Location: [ ] Driver fender / [ ] Passenger fender / [ ] Firewall - Considerations: Heat, water intrusion, accessibility - Infinitybox recommendation: Driver inner fender common location

Engine Bay Runs - Battery cables (0/2 AWG) - POWERCELL power feed (4 AWG from battery) - CAN bus to rear POWERCELL (if used) - CAN bus through firewall to MASTERCELL - All lighting outputs from POWERCELL

Firewall Penetration

Single grommet strategy recommended: - CAN bus cable (2 wires + shield) - Key-on signal wire - Any additional signal wires - Use weatherproof bulk grommet

Interior

MASTERCELL Location: [ ] Under dash / [ ] Behind seat / [ ] Center console - Needs access to all switch inputs - Protected from water/debris

Interior Runs - Switch panel wiring to MASTERCELL - CAN bus from firewall - Gauge cluster connections - Door trigger wires - Rear lighting feeds (if no rear POWERCELL)

Rear of Vehicle

Rear POWERCELL (Optional) - Location: Behind seat or in bed - Purpose: Reduces wire runs for rear lights, bed accessories - Connected via CAN bus from front POWERCELL


Grounding Strategy

Chassis Grounds

  • Primary ground: Battery negative to frame (0 AWG)
  • Engine ground: Block to frame (2 AWG)
  • Body grounds: Cab to frame at multiple points

Infinitybox Grounds

  • POWERCELL grounds: Heavy gauge to battery negative or chassis
  • MASTERCELL ground: To chassis near installation point
  • All grounds should be star-pointed to battery negative when possible

Parts List

Owned ✓

Powertrain Control - [x] Swap the Universe Godzilla/6R140 Control Pack - [x] Swap the Universe Transfer Case Controller

Infinitybox System - [x] Infinitybox Full Kit with Harness (MASTERCELL + POWERCELLs + harness)

Still Needed

Power Distribution - [ ] High-output alternator (200A+ recommended) - [ ] Primary battery (Group , Ah AGM recommended) - [ ] Secondary battery (if winch/camping loads warrant it) - [ ] Battery isolator/charger (if dual battery) - [ ] Main fuse/breaker (___A) - [ ] Battery cables (0/2 AWG, lengths TBD)

Wiring Supplies - [ ] TXL wire assortment (14-22 AWG, various colors) - [ ] Heat shrink tubing (adhesive-lined, assorted sizes) - [ ] Wire loom / split conduit - [ ] Firewall grommets (main pass-through) - [ ] Deutsch / Weatherpack connectors for engine bay - [ ] Fuse holders and fuses (for non-Infinitybox circuits)

Switches & Controls - [ ] Headlight switch (OEM style or aftermarket) - [ ] Turn signal / wiper switch (column-mounted or custom) - [ ] Aux switch panel (Carling/Contura style recommended) - [ ] TC shift switch (may come with STU controller - verify)

Gauges - [ ] Gauge cluster solution (OEM with adapters OR aftermarket)


Open Questions / Decisions Needed

  1. Control Pack Decision: Which solution for Godzilla/6R140/TC integration?
  2. Swap the Universe complete control pack ✓ OWNED
  3. Ford Performance + separate TC controller
  4. Custom standalone

  5. Gauge Cluster: Keep OEM 1996 cluster or upgrade?

  6. Keep OEM (need signal adapters)
  7. Aftermarket digital cluster
  8. Dakota Digital RTX ✓ OWNED (upgraded from VHX)

  9. Secondary Battery: Needed for planned accessories?

  10. Winch: Direct battery (doesn't go through Infinitybox)
  11. Air compressor: 30A
  12. Lights: ~50A total if all on
  13. Radios: 20A

  14. Switch Panel Style:

  15. OEM-look integration
  16. Custom rocker panel (how many switches?)
  17. Touchscreen (Infinitybox compatible?)

Reference Documents

Infinitybox Official - Wiring Diagrams & Resources - Setting Address Jumpers - Automatic Headlights - POWERCELL Output

Project Documents - Infinitybox Reference — address jumpers, CAN network, tips - Infinitybox Questions — email to Jay (ready to send) - MASTERCELL Input Map — all switch inputs documented - POWERCELL Output Map — all load outputs documented - Switch Panel Layout — panel zones, switch inventory, style options - Wire Routing — physical paths, zones, installation sequence - Shopping List — parts to purchase, vendors, phased ordering - Installation Phases — 12-phase install sequence with checklists - Purchase Log — receipts and owned components - Build Manual — wiring schematics, connector pinouts, testing checklist

Parts Catalog - Swap the Universe Godzilla Control Pack - Swap the Universe TC Controller - F250 Wiring Reference PDFs


Next Steps

  1. ~~Finalize Godzilla/6R140/TC control pack decision~~ → STU Control Pack + TC Controller ✓
  2. ~~Select Infinitybox package~~ → Full kit with harness ✓
  3. ~~Decide gauge cluster approach~~ → Dakota Digital RTX ✓ OWNED
  4. Set POWERCELL/inMOTION address jumpers before mounting
  5. Document STU Control Pack pinouts from manufacturer docs
  6. ~~Map MASTERCELL inputs~~ → see MASTERCELL_INPUT_MAP.md
  7. ~~Map POWERCELL outputs~~ → see POWERCELL_OUTPUT_MAP.md
  8. ~~Plan switch panel layout~~ → see SWITCH_PANEL_LAYOUT.md
  9. ~~Document wire routing paths~~ → see WIRE_ROUTING.md
  10. Finalize and send Infinitybox questions email
  11. ~~Create shopping list~~ → see SHOPPING_LIST.md
  12. ~~Establish installation phases~~ → see INSTALLATION_PHASES.md

This is a living document - update as decisions are made and planning progresses.