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EL-39200 Digital Multimeter (DMM)
For equivalent regional tools, refer to Special Tools .
The fuse is the most common method of an automotive wiring circuit protection. Whenever there is an excessive amount of current flowing through a circuit the fusible element will melt and create an open or incomplete circuit. Fuses are a one time protection device and must be replaced each time the circuit is overloaded. To determine if a fuse is open, remove the suspected fuse and examine if the element in the fuse is broken (2). If not broken (1), also check for continuity using a Digital Multimeter (DMM) or a continuity tester. If the element is broken or continuity is suspect, replace the fuse with one of equal current rating.
Current Rating Amperes | Colour |
|---|---|
Auto Fuses, Mini Fuses | |
2 | Grey |
3 | Violet |
5 | Tan |
7.5 | Brown |
10 | Red |
15 | Blue |
20 | Yellow |
25 | White or Natural |
30 | Green |
Maxi Fuses | |
20 | Yellow |
30 | Lamp Green |
40 | Orange or Amber |
60 | Blue |
50 | Red |
J-Case Fuses | |
20 | Blue |
30 | Pink |
40 | Green |
50 | Red |
60 | Yellow |
Midi Fuses | |
80 | Black |
Mega Fuses | |
100 | Black |
150 | Black |
200 | Black |
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