2011 f250 6.7 powerstroke high circuit batterie junction box Recently I have been having some air conditioning problems. I have tracked the problem down to a short within my battery junction box. When I remove fuse #30 I have 12v on .
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You are correct - it is the high current junction box that handles the alternator. Here is the gasser schematic and diesel schematic to give you an idea of what you need to do:2011 F350, 6.7 Diesel. Testing continuity from Battery Junction Box (BJB) relay .
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Battery Junction Box (fuse box under hood). There was no continuity between fuse 72 and pin 3 of the PCM relay. The relay would click (getting signal on pin 1 and 2), and it was .
2011 F350, 6.7 Diesel. Testing continuity from Battery Junction Box (BJB) relay plug #29 in the engine compartment, to the rear round trailer tow plug's parking lights pin (6) .
Everytime I've had a p068a, it was caused by at least one bad battery. Have seen this code several times. Check all connections. Particularly at the passenger side battery and junction box next to battery. You will need to . Recently I have been having some air conditioning problems. I have tracked the problem down to a short within my battery junction box. When I remove fuse #30 I have 12v on . I have a 2011 F250 6.7. A couple days ago when my wife was driving the instrument cluster, radio, blinkers, dash display all started to blink on/off. The fan would turn .Some 2011-2015 F-Super Duty 6.7L diesel equipped vehicles may exhibit an illuminated MIL and DTC P0087,P0088,P0089,P0093, P228F or P2291 associated with a rough idle or crank no .
I should have just the box in a parts truck somewhere. Shoot me a PM tmrw sometime. If the current draw is excessive, remove the fuses from the Battery Junction Box (BJB) one at a time and note the current drop. When the current level drops to an acceptable . I ended up putting the potentiometer and a pushbutton into a little project box that I leave in the glovebox. It only has the four wires coming out that go to VBAT and three control . You are correct - it is the high current junction box that handles the alternator. Here is the gasser schematic and diesel schematic to give you an idea of what you need to do:
Battery Junction Box (fuse box under hood). There was no continuity between fuse 72 and pin 3 of the PCM relay. The relay would click (getting signal on pin 1 and 2), and it was opening the main current coil, but there was nothing to pass.
2011 F350, 6.7 Diesel. Testing continuity from Battery Junction Box (BJB) relay plug #29 in the engine compartment, to the rear round trailer tow plug's parking lights pin (6) measures good connections. I tested the relay and its fine (swap & bench tested). Everytime I've had a p068a, it was caused by at least one bad battery. Have seen this code several times. Check all connections. Particularly at the passenger side battery and junction box next to battery. You will need to monitor the vbatt PID using a scan tool to start Recently I have been having some air conditioning problems. I have tracked the problem down to a short within my battery junction box. When I remove fuse #30 I have 12v on the supply side and zero volts on the load side.
I have a 2011 F250 6.7. A couple days ago when my wife was driving the instrument cluster, radio, blinkers, dash display all started to blink on/off. The fan would turn onto high whenever this happened. The battery light also started turning on, off.
Some 2011-2015 F-Super Duty 6.7L diesel equipped vehicles may exhibit an illuminated MIL and DTC P0087,P0088,P0089,P0093, P228F or P2291 associated with a rough idle or crank no start condition. If this condition is present, inspect fuse 33 in . The PCM does monitor and enable the alternator and there may be circuit codes stored that should be diagnosed first. But most commonly, the regulator inside of the smart alternator uses a voltage sense circuit to monitor battery voltage and adjust output accordingly. This circuit is the small red wire in the three pin connector at the alternator. You can see indiviually what each device draws by measuring the separate current at the high-current battery junction box (that's where the cab heater is fed from - off a 125A mega fuse) The reason I did the dual alts was to run my winch (10, 000 lbs) - that can draw some serious juice - even ignoring the cab heater draw.
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2012 ford powerstroke battery light
I should have just the box in a parts truck somewhere. Shoot me a PM tmrw sometime.
You are correct - it is the high current junction box that handles the alternator. Here is the gasser schematic and diesel schematic to give you an idea of what you need to do: Battery Junction Box (fuse box under hood). There was no continuity between fuse 72 and pin 3 of the PCM relay. The relay would click (getting signal on pin 1 and 2), and it was opening the main current coil, but there was nothing to pass. 2011 F350, 6.7 Diesel. Testing continuity from Battery Junction Box (BJB) relay plug #29 in the engine compartment, to the rear round trailer tow plug's parking lights pin (6) measures good connections. I tested the relay and its fine (swap & bench tested). Everytime I've had a p068a, it was caused by at least one bad battery. Have seen this code several times. Check all connections. Particularly at the passenger side battery and junction box next to battery. You will need to monitor the vbatt PID using a scan tool to start
Recently I have been having some air conditioning problems. I have tracked the problem down to a short within my battery junction box. When I remove fuse #30 I have 12v on the supply side and zero volts on the load side. I have a 2011 F250 6.7. A couple days ago when my wife was driving the instrument cluster, radio, blinkers, dash display all started to blink on/off. The fan would turn onto high whenever this happened. The battery light also started turning on, off.Some 2011-2015 F-Super Duty 6.7L diesel equipped vehicles may exhibit an illuminated MIL and DTC P0087,P0088,P0089,P0093, P228F or P2291 associated with a rough idle or crank no start condition. If this condition is present, inspect fuse 33 in . The PCM does monitor and enable the alternator and there may be circuit codes stored that should be diagnosed first. But most commonly, the regulator inside of the smart alternator uses a voltage sense circuit to monitor battery voltage and adjust output accordingly. This circuit is the small red wire in the three pin connector at the alternator.
You can see indiviually what each device draws by measuring the separate current at the high-current battery junction box (that's where the cab heater is fed from - off a 125A mega fuse) The reason I did the dual alts was to run my winch (10, 000 lbs) - that can draw some serious juice - even ignoring the cab heater draw.
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2011 f250 6.7 powerstroke high circuit batterie junction box|2011 ford f250 battery light on