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Centurion Conversion Fuse Block & Power Supply Wiring Detail - Ford C-350

Wiring diagram showing fuse block assembly, relay connections and under-hood fuse block with color-coded wires and terminal callouts.

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This document is a faxed Centurion Conversions wiring reference page (fax header dated NOV-15-94, from 616 483 7450) covering the auxiliary fuse block and power supply for a Centurion conversion vehicle. The top section lists six installation notes: engine compartment/under-body wiring must be SAE WSXL 135°C wire; wires through metal holes require grommets or split loom with exterior holes sealed; a power seat option requires a 30amp circuit breaker with 10ga red wire to the power source; the purple wire upstream of the T.V. switch is for ignition-controlled accessories (CB, radar detector, Beverage Mate); running board lights are butt-connected and shrink-wrapped to factory wires; and vehicles without power windows connect to the factory YEL/BLK behind fuse #11. The 'Fuse Block Detail' diagram shows fuse block assembly #73220000 with wire gauges and colors (14ga GRN/WH, 14ga PUR, 16ga PNK, 10ga RED) feeding fog light, driving light, and ignition hot relays, and tie-in points to factory wiring at the steering column base, behind the parking brake bracket, and to the trailer lamp relay circuit under the hood. The 'Power Supply Detail' shows a 30amp maxi fuse installed in the under-hood fuse block at slot 'H', using terminals CVI #71220066 and #73220067, feeding the conversion fuse block via 10ga red wire.

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Frequently asked questions

Where does the conversion fuse block get its power?
From slot 'H' in the under-hood fuse block via a 10ga red wire, protected by a 30amp maxi fuse, using terminals CVI #71220066 and CVI #73220067.
What is required for the power seat option?
A Type 1 30amp circuit breaker with a 10ga red wire running to the power source.
Which wire should be used for ignition-controlled accessories like a CB or radar detector?
The purple wire upstream of the T.V. switch.
How do you wire the conversion on vehicles without power windows?
Connect to the factory YEL/BLK wire behind fuse #11.
What fuse block assembly is shown in the diagram?
Fuse block assembly #73220000.

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