Search results

Ok, on the A0, CB70 feeds the ign switch and the main light switch. When you turn on the ignition switch it feeds 12v to the 24v ignition control power relay K2 and the brake relay K6. K2 energizes powering the 24v ignition, transmission and start circuits. So it CB70 is pulling more than 20A...

What year A0 or A1 truck? on an A0 CB70 powers ignition and all the lighting. On an A1, just the lighting…

4.11 isnt an LMTV ratio... 3.9 is...(I wish we had 4.11:))... CTIS on the A0 counts output speed pulses from the trans and determines speed to compare against its lookup table for selected pressure to determine overspeed. Not sure if the newer trucks pull speed info off of the data bus or...

Last LORAN station I was at, I used to walk into the transmitter room with my techs, and say OK, go find me the bad circuit breaker. I could smell the slightest wiff of the bakelite plastic housings getting hot a long time before they finally cooked off.. They would search all the panels with...

Good age to get them started. Give them scraps to weld up. Had my grandson run beads on my tractor bucked edge… A LOT of them:) then we ground them down and shaped a fresh hardened edge…

Yea its not a problem if it is zip-tied to the other line. It is only an issue if the two lines are allowed to move against each other…

Yes, you can put both shunt terminals onto one terminal. Or you can skip the shunt all together and connect from TL48(battery ground) to TL 46(starter ground) on the front of the starter motor case. Also check the ground strap that runs from the front of the starter motor to the drivers frame...

Yea, without eco hubs these things cruise at max governed, so going to 2600RPM is not a real issue…

General beat me to it. Tire imbalance will cause this. After it has been sitting, Walk around with a tire pressure gauge and check all the tires before a startup To figure out which wheel valve is leaking. Another giveaway for this is to shutdown the truck, get in under the truck and put a...

Is it when you first startup the truck?

Well if you had a really restricted feed, it might cause the controller to not see the expected result of an inflate cycle, but so coukd a wonky pressure sensor circuit, or excessive leakage...

Well if it isnt leaking anywhere, then it is probably a pressure sensor, wiring or the controller feeding its 5v reference... or of course the controller itself...

There is only one solenoid. One end of the operable core that moves when power is applied to its coil, has a contactor disc on it, the other end pulls a lever that pulls the small gear into contact with the ring gear. Pretty hard to have motor spin without engagement unless something is wrong...

Yes, but what the dump valves are doing can help point you in a direction. If you give it a shot of air and seal it, a sealed system should be able to set indefinitely. If they are venting air, you are leaking air upstream toward the PCU and the dumps are releasing tire air to match the...

Really a non concern. I have been welding on vehicles all my adult life, never seen it happen. Heard people chatting about it but never anyone who could personally confirm that welding damaged any module… Vehicle ECU systems are quite robust, If welding were likely to damage one, our hundred...

No, there is another connector back by the airfilter that can connect to the crew buzzer switch that clamps on the front of the bed…

Leaks can be sneaky. Pressurizing by applying air to the line coming out of the PCU, then sealing that line is as good as any other way to pressurize the system. It of course takes the PCU out of the equation so does not test its ability to hold air as required… When looking for leaks don’t...

Well that would be a no start, and possibly a no crank(nothing happens). If I read correctly, His is trying to crank, and starter spins, but the bendix is not connecting the starter motor to the ring gear…

Maybe i an not understanding how he is describing wiring in extra batteries, but it does not sound like agood idea... You do not need any "extra hump". If it cant spin the engine, thats one thing, but untill you get the bendix to engage you got nothing regardless of how many batteries you hook...

Mine is a vanner converter equalizer that was basically gifted to me. Victron makes a nice 70A, orion 24-12 that would be my choice as it is small enough to fit in under the power panel, or down behind the kickpanel. Did videos on utube under username Rronmar...