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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 broken or not. No power is reaching my engine controller, and I've checked every other fuse and the relays, so I'd like to rule out a blown 50 amp fuse as a possible cause.

My problem is, I can't find how to remove them. Simply pulling with pliers doesn't work - first the clear plastic cover pops off, then the rest won't budge at all. It feels like I'll snap the fuses' plastic casing before they'll actually move. Curiously, wiggling it wiggles the plastic casing, but not the metal components inside the fuse. I can't find anything online.

There's a liftable panel on the terminal. Behind it are the connections for the three heavy duty wires. These don't seem to be related to the fuses and I can't see anything that looks like a clip (but I could be wrong).

Here's a photo of the three fuses in question. The 50A is the red one on the left. It looks like it should just pull out, but it won't budge:

enter image description here

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The fuse connection legs are through bolted on many of these higher amp rated fuses. To find out remove the black plastic cover below the fuses. If you find small nuts then they are the bolted in type.

BTW if the fuse links under the clear plastic windows look OK then they do not need to be replaced.

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  • Okay, looking again I can see what looks like a metal part of the fuse on the bolt under the awkward-to-open black panel. For the 50 amp, I can't tell by looking if it's good or not, is there a way to test it with a multimeter without removing it? I'll add a pic to the question in a minute.
    – user56reinstatemonica8
    Commented May 2, 2016 at 18:43
  • I asked that as a seperate question with a photo: mechanics.stackexchange.com/questions/29234/…
    – user56reinstatemonica8
    Commented May 2, 2016 at 19:00

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