Questions tagged [fuse]

An expendable (single-use) electrical component that safeguards an electrical circuit by melting or otherwise interrupting the flow of current if the current exceeds the designed limit.

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14
votes
5answers
925 views

How do you test analogue electrical circuits?

When trying to diagnose problems with conventional analogue electrical circuits, such as lights, speakers, heated rear windows, etc, as well as short-circuits and unexplained current draws, it can be ...
5
votes
3answers
10k views

Fault find blown cigarette lighter fuse

I have a 2005 ford focus mk2, nothing custom, nothing modified, all stock. The cigertte lighter has never worked so I thought it was about time I attempted to fix this. I removed the fuse (20amp) ...
12
votes
3answers
9k views

How to test a bolted-in heavy duty 50a / 80a / 100a fuse with a multimeter without removing it?

I want to check if this particular 50 amp fuse on a RAV4 (1998 first generation) is blown or not. Just looking, it's hard to tell because of what I assume are blue-green deposits on copper (this is ...
11
votes
1answer
10k views

How to remove the 50 amp, 80 amp and 100 amp fuses from the positive terminal of a RAV4?

I want to check the fuses at the positive battery connection of my 1998 (first generation) Toyota RAV4. Visually, the 80a and 100a look fine, but the 50a has blue deposits and I can't tell if it's ...
9
votes
1answer
29k views

Indicators Not Working But Hazard Lights Working

Vehicle: Mitsubishi Pajero 1994 I have a 1994 Pajero and had a strange problem happen this morning, in the middle of driving the indicators strangely stopped working but when I pulled up the hazard ...
6
votes
6answers
36k views

Brake lights, but no tail lights

I've got a 2001 WJ 4.0, The right brake light wasn't working, so I installed a new bulb, but I must have done something in the process because now all my brake lights work but I have no running lights....
4
votes
3answers
22k views

What's the correct fusing for a headlight relay?

Summary of the situation: I have a 1975 Ford truck that suffered from the "Ford flashing headlight problem". The factory wiring uses 18ga wires over a very long path and through an under-rated ...
3
votes
3answers
671 views

Replacing a boat's blown CDI fuse

Just rebuilt most of a 2 stroke jet boat. (if you need / want any boat details, see: this thread) Yesterday, she fired right up no problem, today she won't even turn over. After some basic ...
0
votes
1answer
33 views

98 Camry: Procedure to find root cause of blown tail-light fuse

Question: What are the steps and thought process to determine why excessive current has blown the tail-light fuse? Symptom: night running lights failed to illuminate when engaging headlights. Problem:...