Porsche Repair: Porsche fuse panel, fuse panel, fuse box

Question
I have been out of down and I guess my answer is no longer available. QID#3655547. 192 Porsche 924. Don't know which fuse operates which circuit? What relay goes where? Please help. Thanks


Answer
Hi Matt, sorry you missed my answer...it was a spellbinder.  Just kidding about missing it...here it is again:

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Hi Matt,

Welcome to the Wonderful World of Porsches.  You wouldn't think
something as easy as which fuse covers which function would be a stumper, would
you?

Let's make sure we're both looking at the same Haynes manual.  Mine
covers the 944 from '83 through '89.  I use it to answer 924 questions because Haynes doesn't have a separate 924 manual.  I'm looking at the wiring diagrams on pages 198-202.  Even thought these say they are for the '83 models, it looks like the closest we'll get to anything authoritative.

Unless you have a fuse legend, like in an owners manual or under the
cover of the fuse box lid, your next major task will be to identify each and
every function of the car and relate it to a fuse.  You'll spend some
time on this but you'll need this information over and over again while you
own this car.

Likewise, you'll want to verify my findings... this is what I think the
wiring diagrams are telling us:

Brake lights:  fuse 6, 8 amps
Right turn signals:  fuse 13, 8amps
Left turn signals:  fuse 14, 8 amps
Headlight conceal motor:  fuse 1, additional fuse board, 15 amps

Once I found the component on the diagram I traced the wires back to a fuse, which would be the power source, and voila.  Get out your magnifying glass for sure.

Once you put new fuses in these spots, verify the component works, then
verify that when the fuse is removed the component won't work.  That's
the only way to know for sure.

If my reading of the diagram is correct, Haynes has the info, it's just
very hard to decipher.

If this isn't clear or you'd like to ask another question, please feel
free to use the Allexperts follow-up question feature.

Above all else, I'm sure you bought this car to have fun with it.  Go
forth, my son, and drive,

Dave

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