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Discussion Topic:
fuse box / location - 46' Merc
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clorenc |
07-04-2015 @ 11:35 AM
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Member
Posts: 22
Joined: Jun 2015
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I'm guessing there has to be a fuse box on this 46 Merc. Can anyone give me some clues?
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ford38v8 |
07-04-2015 @ 1:34 PM
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Senior
Posts: 2758
Joined: Oct 2009
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There is one standard fuse that serves all the lights, located high up on the inside firewall above the steering column. A second fuse is inline in the power line to the radio.
Alan
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clorenc |
07-04-2015 @ 2:20 PM
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Member
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Thanks Alan. I think I see it. I just had shoulder surgery and can't maneuver very well yet. I'm assuming it is incased in a half round metal covering that is secured to the firewall. My wife tried to get it out but gave up on it so that she didn't break it. Does it just pop out or is there a trick to get it out?
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len47merc |
07-04-2015 @ 2:56 PM
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Senior
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Joined: Oct 2013
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clorenc - what is the problem you are trying to resolve that has you wishing to remove the fuse? Additionally, from your description it sounds as if you may be looking at the ballast/ignition resistor. I've attached a pic for you to compare to what you are looking at. Let us know if this is what you are trying to remove as well as what the problem is you are trying to resolve and we can help you better and further. Best - Steve
This message was edited by len47merc on 7-4-15 @ 2:57 PM
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clorenc |
07-04-2015 @ 3:14 PM
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Member
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Joined: Jun 2015
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Your right. It's the ignition resistor we are looking at. The car hasn't run for twenty years. New 6v battery. Fuel gage works but no lights. Turns over but won't start yet. Haven't installed new distributor and cap yet. Haven't checked fuel line to carburetor yet. When the ignition switch is turned on it starts to make a growling sound and then stops.
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len47merc |
07-05-2015 @ 6:20 AM
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clorenc - isolate and identify the source of the growling sound before proceeding any further and let us know what you find. Do not leave the ignition switch on for very long periods of time (5-10 secs max) in your search. In your last post you gave us information that suggests your original question was about much more than just a circuit not working, that being bringing your '46 motor back to 'life' (running) after sitting idled for 20 years. There is much to more to consider here to address that concern as you alluded to in your last post. Supportively speaking, I am having trouble understanding what you were asking for in the original post, as you referenced electrical and fuel considerations (as well as by omission mechanical) in your last post that suggest the motor may not be ready to be started yet, but perhaps you are attempting to do so and because it did not start were thinking a fuse was at fault - ? So in addition to first resolving the growling issue, please help us better understand what your needs are - a circuit not working or the more comprehensive getting the '46 engine started and running again, or perhaps both. I see in your other post entitled '46 Merc' you were asking about the lights (which lights - dash or head/tail lights or both) not coming on but the fuel gauge was responding to the ignition switch so perhaps that is all you are after. Here though, you suggest a much larger issue requiring a much more comprehensive and holistic approach, which of course we are glad and eager to help you with. Thanks! EDIT - btw, we'd love to see a pic of your '46 if you have time to post in any upcoming reply! Steve
This message was edited by len47merc on 7-5-15 @ 6:27 AM
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ford38v8 |
07-05-2015 @ 8:38 AM
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Senior
Posts: 2758
Joined: Oct 2009
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Clorenc, In my previous post, I told you the location of a fuse under your dash. I was thinking of the pre-war fuse, which you don't have. In the same location however, you should find a circuit breaker. It will be a metal box on the same panel as your ignition ballast resistor. Its function is to interrupt the lighting circuit when it overloads heating up the breaker. When it cools, it resets itself. This cycle repeats itself rapidly, producing a growling sound. When you hear it, it indicates a short in a lighting circuit somewhere. The enclosed picture shows the panel with resistor and circuit breaker.
Alan
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len47merc |
07-05-2015 @ 8:59 AM
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Senior
Posts: 1165
Joined: Oct 2013
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In support of Alan's comments that is the exact panel and components on my very early '47 Merc, so you should see the same clorenc. Didn't personally have the problem with the circuit breaker growling (or know about it) but glad to now have that info for future reference - thanks Alan.
Steve
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TomO |
07-05-2015 @ 9:06 AM
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Posts: 7250
Joined: Oct 2009
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There are many causes of the lights not working on a car that has been sitting. The most common cause is the foot dimmer switch, next is the dash light switch followed by the circuit breaker and wiring problems. The growling sound could be an electric fuel pump or another accessory. Let us know which problem that you want to solve first, so we can give you a checklist to solve the problem.
Tom
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clorenc |
07-05-2015 @ 5:35 PM
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Member
Posts: 22
Joined: Jun 2015
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Wow! You guys are awesome! I loved working on the 50's and 60's cars back in the day but this 46' Merc is throwing me some curves. I just had rotator cuff surgery so I need to back off most of this for a couple of months or my wife will hurt me if she sees me under the hood, etc. I appreciate all of the detailed feedback and really look forward to picking up on it again. Can someone tell me how to download a picture? Thanks, Cameron
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