Ford F-550 6. 0 - No Start No Crank
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Date: 2020-08-05
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Comments and reviews: 10
Bert
What would happen if you put jumper cables from one battery to the other? If that works then either a bad ground on one battery, or bad connection between positive post
It was a bad ground, so when you took the cable off it was easy to figure out where the problem was. Still a great step by step to find where the actual problem was. I would think, using 2 cables would probably be easier or cheaper than buying a factory cable. I have done simular things with bad grounds. I have fixed bad grounds ( or so I thought) and NOT fix the problem as well. It sure helps when you have knowledge to test everything. That way you know you're correct as you were.
Great job SIR!
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What would happen if you put jumper cables from one battery to the other? If that works then either a bad ground on one battery, or bad connection between positive post
It was a bad ground, so when you took the cable off it was easy to figure out where the problem was. Still a great step by step to find where the actual problem was. I would think, using 2 cables would probably be easier or cheaper than buying a factory cable. I have done simular things with bad grounds. I have fixed bad grounds ( or so I thought) and NOT fix the problem as well. It sure helps when you have knowledge to test everything. That way you know you're correct as you were.
Great job SIR!
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Ell
I noticed CCA has made it's way into battery feed cables for manufacturers to save money. I learned my lesson by avoiding CCA which stands for Copper Clad Aluminium. It looks just like copper at a lower price. The aluminum deteriates very fast but the wires still look good. Made the costly mistake of using that garbage on a front and back winch feed and had to replace all of it with copper welding wire. Don't be fooled by the cheap CCP crud. Look for solid core copper. battery feeds. Looks like this truck was a victim of that garbage. The way you can verify it, is hand torch it. The aluminium disentigrates fast where-as the copper just heats up.
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I noticed CCA has made it's way into battery feed cables for manufacturers to save money. I learned my lesson by avoiding CCA which stands for Copper Clad Aluminium. It looks just like copper at a lower price. The aluminum deteriates very fast but the wires still look good. Made the costly mistake of using that garbage on a front and back winch feed and had to replace all of it with copper welding wire. Don't be fooled by the cheap CCP crud. Look for solid core copper. battery feeds. Looks like this truck was a victim of that garbage. The way you can verify it, is hand torch it. The aluminium disentigrates fast where-as the copper just heats up.
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Bill
SMAR LLC thx for the great informative video of diagnostic trouble shooting not a parts changer. I worked at McConnell Douglas in early 80s on MD80s had one with function test fail on DFGC was ready to open cargo area from nose to tsil to check all connections and wire looms when an old A/C electrician I was working with sat with his pipe in mouth staring into space for about 20min then told me what frame station # location to accesss a Cannon Connector and pin# that was depressed and not seated properly fixed it and problem solved all from working it out in his head. Learned a valuable lesson from Tom that night.
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SMAR LLC thx for the great informative video of diagnostic trouble shooting not a parts changer. I worked at McConnell Douglas in early 80s on MD80s had one with function test fail on DFGC was ready to open cargo area from nose to tsil to check all connections and wire looms when an old A/C electrician I was working with sat with his pipe in mouth staring into space for about 20min then told me what frame station # location to accesss a Cannon Connector and pin# that was depressed and not seated properly fixed it and problem solved all from working it out in his head. Learned a valuable lesson from Tom that night.
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davidmellott50
Unfortunately, you are experiencing the gradual decline of your memory banks, get used to it and it will only get worse. It seems that when we are young our brain has the ability to store everything you do, where you've been, who you have seen, what you said etc etc. But it seems to me that portions of this slips through and does not record, especially where you put things down and walk away. I'm not allowed to put anything in a special place anymore, because I will never see it again unless I stumble into it. This is for your info and was not meant to offend you, just saying.
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Unfortunately, you are experiencing the gradual decline of your memory banks, get used to it and it will only get worse. It seems that when we are young our brain has the ability to store everything you do, where you've been, who you have seen, what you said etc etc. But it seems to me that portions of this slips through and does not record, especially where you put things down and walk away. I'm not allowed to put anything in a special place anymore, because I will never see it again unless I stumble into it. This is for your info and was not meant to offend you, just saying.
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TheTsunamijuan
I always find it interesting how different test equipment behaves under different test conditions. The other extremely interesting test is a high voltage insulation test. To make sure that insulation for cables is working correctly in high voltage usage. The first time i was introduced to this test it left me in awe. Cause I had never considered that a failure point. Just like with any test/measurement equipment. Its important to know where your equipment is inaccurate and how large the inaccuracy can be in those ranges.
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I always find it interesting how different test equipment behaves under different test conditions. The other extremely interesting test is a high voltage insulation test. To make sure that insulation for cables is working correctly in high voltage usage. The first time i was introduced to this test it left me in awe. Cause I had never considered that a failure point. Just like with any test/measurement equipment. Its important to know where your equipment is inaccurate and how large the inaccuracy can be in those ranges.
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ALEX
J. s coming from the car stereo world and also owning a ford 7. 3. You need to run a 4ga power from alt to battery and then a 4ga ground to the case of the alt, the motor, the frame, and one to the body. on the drivers side only do grounds to the motor, frame, body, check the 3ga factory positive that crosses over. Its actually referred to as the big 3 or big 4. Also you just cranked on it so the pass battery could possibly be lower if youve got bad grounds, could take a min for it to pull from the other battery
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J. s coming from the car stereo world and also owning a ford 7. 3. You need to run a 4ga power from alt to battery and then a 4ga ground to the case of the alt, the motor, the frame, and one to the body. on the drivers side only do grounds to the motor, frame, body, check the 3ga factory positive that crosses over. Its actually referred to as the big 3 or big 4. Also you just cranked on it so the pass battery could possibly be lower if youve got bad grounds, could take a min for it to pull from the other battery
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Gene
I always check the battery under load. Ive had my battery say 13v and when I hit the key drop below 6v. I really enjoy your videos. One of my favorite things is to diagnosis problems. I always guess at the beginning where I would start and what the problem would be. Doesnt have to be a vehicle. I did it for a friends a/c and another persons washing machine. Fixed a lawn mower a couple days ago. It helps keep my old brain working.
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I always check the battery under load. Ive had my battery say 13v and when I hit the key drop below 6v. I really enjoy your videos. One of my favorite things is to diagnosis problems. I always guess at the beginning where I would start and what the problem would be. Doesnt have to be a vehicle. I did it for a friends a/c and another persons washing machine. Fixed a lawn mower a couple days ago. It helps keep my old brain working.
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skunkhome
I had a no crank on a small tractor. Had voltage to starter but no go. I used ohm meter to check all wires and had good continuity. I condemned starter and replaced and it changed nothing. Turned out the perfect looking, like clean off the shelf, negative cable couldnt carry enough amperage to turn the engine over. Replaced the 6 cable and all was well.
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I had a no crank on a small tractor. Had voltage to starter but no go. I used ohm meter to check all wires and had good continuity. I condemned starter and replaced and it changed nothing. Turned out the perfect looking, like clean off the shelf, negative cable couldnt carry enough amperage to turn the engine over. Replaced the 6 cable and all was well.
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Richard
Two batteries connected in parallel, should show identical voltages. Even if one is dud, it will bring the other one down. Immediately Theres your problem lady. The only way they are different is if the connection between them has resistance, or off load, no connection at all.
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Two batteries connected in parallel, should show identical voltages. Even if one is dud, it will bring the other one down. Immediately Theres your problem lady. The only way they are different is if the connection between them has resistance, or off load, no connection at all.
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Michael
There is a SIngle lead round connector located underhood, passenger side, right up against/ near fender. Disconnect connector and touch connector end with male terminal to Battery Positive (it should physically reach) to crank over engine from under hood.
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There is a SIngle lead round connector located underhood, passenger side, right up against/ near fender. Disconnect connector and touch connector end with male terminal to Battery Positive (it should physically reach) to crank over engine from under hood.
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