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74
TK 56430-18-IP-EN
Figure 69.
Rubber grommets must be sized correctly for both the hole and for the harness to prevent water
intrusion.
Protective Heat Shields
The installation of protective heat shields (installer supplied) is recommended for any exposed electrical harnesses
located near vehicle heat sources such as the exhaust system. Exhaust temperatures can exceed 1600°F and cause
damage to electrical harnesses if they are not properly shielded.
Electrical harnesses need a shield when located within:
•
4.00 in. (102 mm) from engine exhaust manifolds, catalytic converters and mufflers.
•
2.00 in. (51 mm) from exhaust systems under the vehicle.
N
No
otte
e:: Exhaust system move with the engine. Always allow for exhaust and engine movement when routing and
securing electrical harnesses to the engine or chassis.
Figure 70.
Protective heat shield shown next to catalytic converter.