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How do you dignose the interior light fuse keeps blowing out and what is the amp for that fuse?

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Answered 2010-09-20 16:46:14

Easiest way is to get a "short finder kit"

This consists of a automatic reset circuit breaker to install in place of the fuse, and a small magnetic amp gauge that you hold in your hand. You can get these at a automotive store or a tool guy such as snap-on or a Mac dealer. You install the circuit breaker and it will click on and off about 1-4 times a second while short occurs. You hold the amp gauge near the circuit wire that is shorted and watch the needle fluctuate back and forth. when you pass the area of the short, the needle will stop moving. You have located the short where the needle stops moving. You can use the gauge near pillar posts and body metal also and it will sense the wire even through car metal. The objective is to find where the wire is shorted in the car body or location. Most shorts are found where the wires are EXPOSED and not inside pillar posts or body parts where you can't access the wire harness.

Interior light fuses are mostly rated for 10-15 amps.

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