After A Fuse Is Replaced; If There Is An Overload In A Circuit; To Prevent System Breakdowns And Vehicle Fire; Before Replacing Fuses - Toyota 4RUNNER Owner's Manual

4-3. Do-it-yourself maintenance
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After a fuse is replaced

If the lights do not turn on even after the fuse has been replaced, a bulb
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may need replacement. (→P. 541)
If the replaced fuse blows again, have the vehicle inspected by your
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Toyota dealer.

If there is an overload in a circuit

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The fuses are designed to blow before the entire wiring harness is damaged.
CAUTION
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To prevent system breakdowns and vehicle fire

Observe the following precautions.
Failure to do so may cause damage, and possibly a fire or injury.
Never use a fuse of a higher amperage rating than that indicated, or use
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any other object in place of a fuse.
Always use a genuine Toyota fuse or equivalent.
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Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
Do not modify the fuses or fuse boxes.
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NOTICE
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Before replacing fuses

Have the cause of electrical overload determined and repaired by your
Toyota dealer as soon as possible.
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