Fuse Box schematic

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Fuse Box schematic

Post by JF74chevelle on Thu Mar 30, 2017 8:01 pm

Does anyone have a fuse box schematic? Also if i take out the fuse for the radio will it disable anything else or just the radio, Im asking because i keep blowing a fuse to my tach that is pigtailed into the radio accessory.
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Re: Fuse Box schematic

Post by pila on Thu Mar 30, 2017 8:48 pm

What year ?? Does the radio work when with the tach disconnected ? On some cars I've had the radio quit when the cigar lighter had a problem. Di you have AC ? My diagram shows AC as part of that piece on the fuse block.....a bit hard to under stand (?)

This is on a '74 Chevelle diagram....

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Re: Fuse Box schematic

Post by JF74chevelle on Thu Mar 30, 2017 8:55 pm

pila wrote:What year ??  Does the radio work when with the tach disconnected ? On some cars I've had the radio quit when the cigar lighter had a problem.  Di you have AC ?  My diagram shows AC as part of that piece on the fuse block.....a bit hard to under stand (?)

This is on a '74 Chevelle diagram....
Yes it is on a 74 chevelle, i have ac but it doesnt work and i never listen to the radio so i dont mind not listening to it.
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Re: Fuse Box schematic

Post by thatfnthing on Thu Mar 30, 2017 10:37 pm

There's some stickies in the electrical section that show all the electrical diagrams including fuse boxes. I know I posted 73 and I believe someone posted 77. Either way, they'll all be pretty close, especially the fuse box -- GM did not alter the electrical much through 73-77.
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Re: Fuse Box schematic

Post by Hs1973 on Fri Mar 31, 2017 1:13 pm

Check your cigaretter lighter and your clock, as Well as radio. I belive they all are on the same fuse. On these old cars some people May have altered or added wires over the years. I had a 79 trans am once, i removed a whole Big trashbag of wires that where added over the years. My elcamino almost burned off at one time,due to the clock wires melting. The fuse did not Blow but the wires startet melting. I was luckely in the car at the time so i caught it in time. So every time i have a new car i tjek all the wiring, some people dont Think when they mess with eletrics in Their cars.
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