Question about Pontiac Fiero
Hopefully I can describe this to you so that it makes sense. First you need some way of picking up live wires. A 12/24v test light or a multimeter set to 20v DC.
With the ignition on and your test equipment negative connected to earth, touch the fuses one by one till you get an indication of 12v power. Switch the ignition off and check that the power at the fuse is off, switch on again, remove the fuse and find the side that is live - the other side of the fuse holder is the side you need to connect the wire so that the fan and its wiring will be protected by the fuse. Try locate that terminal's wire where it comes out of the fuse box to connect the wire.
Alternately you could use the fuse for the rear window heater, the wipers, the power windows or the reversing lights. The fuse box cover usually has a diagram on it of what fuses do what. Just remember, connecting another circuit to an existing one will place an extra load on the fuse and it might not like it
Ideally we should discuss the problem with your fan and find out why it does not work as designed and try get that back to normal. Feel free to come back to me and we can continue this course on this thread at any time or direct a question mentioning me for your responses. Good luck, HANS
Posted on Apr 11, 2011
Well, It is hard to say. If the mechanic had to run a wire and a fuse to get your radiator fans to work, I seriously question his ability to repair cars. That is not REPAIRING a car, that is RIGGING a car - and I really hate it when I have to figure out what someone else has done to the thing in an attempt to get things to work. My guess is that he simply found a fuse that is hot with the key in the ON position and tapped into it. - definately not the way to fix a high-amperage circuit like a radiator fan, but I have seen similar and probably worse things on automobiles in my day. Sorry if I sound really cynical, but I have seen vehicles burn to the ground because of incompetence like what we are talking about here.
When you are serious about repairing your radiator fan circuits, I can help you fix it correctly, If it has not been completely BUTCHERED!
Posted on Apr 11, 2011
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Posted on Jan 02, 2017
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