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Electrical
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Route wires to avoid metal edges, screws, trim fasteners and abrasive surfaces. When such routing is not possible, use protective
devices (shields, caps) to protect the wires. Cover metal edges with a protective shield and fasten the wiring within 76 mm (3 in) on each
side of the edge (see figure below).
•
Route wires to provide at least 76 mm (3 in) of clearance to moving parts in their extreme movement location, unless positively fastened
and protected by conduit.
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Avoid wire routing without conduit in areas where temperatures exceed 82°C (180°F). Heat insulation and heat shields must be used on
the wires routed in high-temperature areas.
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Make certain that all underhood or underbody wiring is cross-linked polyethylene high-temperature insulation wire 135°C (275°F)
(minimum rating) consistent with SAE specification J1128 Type SXL wire. Normal PVC wire must not be used in underhood or underbody
applications.
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Make sure all ground locations are readily accessible for installation, service and verification.
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Do not place ground attachments in high-splash areas.
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Underhood/underbody wiring must be routed in conduit for protection. Minimum conduit rating is 177°C (350°F).
Wire Retention and Routing
Use the following criteria to determine the location of retainers:
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Size and weight of wire bundle.
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Holes with poor accessibility that prevent installation of locators.
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Movement of wires that can result in abrasion, squeaks and rattles.
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When wiring is routed between 2 members where relative motion can occur, the wiring should be secured to each member with enough
wire slack to allow flexing without damaging the wire.
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Wiring exposed to weather must provide a drip loop to prevent moisture from being conducted into the device through the wire
connection (see figure below).
Section 2: Electrical
2019 Fusion Hybrid Modifiers Guide, 8/2018
2-15
© Copyright Ford 2018 FoMoCo
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