2000 Ford Ranger XLT 3.0L 2wd radio powering up problem

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May 20, 2019
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#1
Make
Ford
Model
Ranger
Year
2000
Miles
142k
Engine
V6 3.0L
So I have a powering up problem with my ranger, replaced the factory radio with a after market and I wired it perfect first try and my only problem was I wired it wrong so it didn’t keep the memory. Decided to re wire it about a month later and now the system doesn’t turn on period. Got a new radio, wired the radio PERFECT (to clarify because I’m positive I made no mistake in wiring everything) checked my fuses, they were good, and the new radio won’t turn on neither. Anyone have an idea why this is happening. Bad ground maybe? It makes no sense to me. Please help and I don’t care for the “you wired it wrong” because I’ve seen dozens of threads with people having the same problem. Just want it fixed
 
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#2
Typically you have three important wires. Main power wire is hot with key on or at accessory position. Memory power has power at all times. And a ground wire is the third wire you need.
 
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#3
Typically you have three important wires. Main power wire is hot with key on or at accessory position. Memory power has power at all times. And a ground wire is the third wire you need.
Right I got my hot at all times (power/memory) wire and the accessory wire, as well as the ground figured out and together with their appropriate colors coming from the radio wire harness. Problem is that none of my fuses are blown under the hood at the mass relay box and in the cab where the fuse panel is itself. I even checked for an inline fuse that goes from the fuse panel (the #20 fuse) to the end of the actual radio wire where it’d be connected to the new radio wire harness. No inline fuse on there. The fuse on the radio system is also good. I’m dumbfounded and I know I have my wires right.
 
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#4
Gone are the days of the easy radio install, now its computer interfacing, serial numbers, and security systems . .

I would reinstall the 'good' radio you removed, confirm the overall system operates.
Which radio was in the ranger ? and we will get the wiring diagram, maybe a separate amp IDK without looking.

Contact 'crutchfield.com' look for the system and see if a separate harness is sold or some support. Why - read first sentence.
 
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#5
Mike, have you done actual testing of those wires with some sort of test tool? Checking fuses and identifying wires by color may not tell you where the problem is... 1559140810186.png