Help Interpreting Wiring Diagram & Using Multimeter

[sriddle1]

Because of the part cost, bench testing is worth a try. Also a continuity test.

dieselcrawler, thanks I'll give that a go to see what the results are..........

 

[sriddle1]

power both the red and white wires simultaneously.

dieselcrawler,

Went ahead and wired it up as you described, applied power via Jumper Cables off battery, slight arcing but the Solenoid Plunger fully retracted...... So :scratchchin: the plot thickens.......

The voltage in Zebrafive's Test of the PULL-IN and HOLD-IN was A-OK but not performed at the same time. Could there be bleed over inside the solenoid providing more voltage/boost for the PULL-IN coil or Maybe a Timing Module Issue ? Bad week to quit drinking

Onward and forward, next, continuity test

 

[dieselcrawler]

Hmmmmm.... (wracking brain, scratching head)

 

[sriddle1]

Hmmmmm.... (wracking brain, scratching head)

I'm with you, did the continuity test, 1.8 ohms on each side...........Bad week to quit smoking.....

 

[dieselcrawler]

If it functions on the bench, look at the wiring.


Issues with the ground wire caused me hours of head scratching on a piece of equipment at work that uses this same solinoid. Power as measured by a multimeter is not the same as actually putting said circuit under a load.

 

[Egon]

The JD Solenoid strikes again. Join the crowd.

 

[sriddle1]

Power as measured by a multimeter is not the same as actually putting said circuit under a load.

dieselcrawler,

I was wondering if the Voltage Level could be the case, the Solenoid really came to life with the straight/unfiltered shot of 12v simultaneously to the PULL-IN & HOLD-IN Coils..... Wonder if the 10-12 Volt readings to the Y2 Fuel Shutoff Solenoid #X5 Connector was really lower or maybe the Pull-IN Voltage is too short a duration coming in from the A1 Time Delay Control Module.....

It didn't make any sense getting those in-range voltage readings @ X5 Connector then reconnecting the Solenoid and not enough to pull in the Plunger but just enough to hold it in when manually depressed & especially now that we know the solenoid does retract under 12v. I'll restart my testing all over again tomorrow since I have it apart and report back later in the day, maybe Zebrafive will chime-in with some thoughts.
Time to enjoy the rest of the weekend............ Thanks again for your Technical Guidance, far cheaper for me to spend the time checking this before giving-in and the JD Shop Meter starts running...........

 

[sriddle1]

The JD Solenoid strikes again. Join the crowd.

Egon, I remembered you saying you had (2) FS and to be sure it wasn't bad before a purchase. What did yours finally turn-out to be.

 

[dieselcrawler]

I'd much rather be helping you puzzle this out than what I'm trying to do... which is write a resume, in preparation for an upcoming job interview/test on Tuesday.

Add a few beers in the mix and golly does my mind wander...

 

[truckdiagnostics]

For a while there it looked like the pull winding was bad. Now am i correct that he is going to have to make his voltage measurements under load as the issue looks like the issue is up stream of the solenoid? If that is the case i would start with the easy stuff and supply a ground directly from the battery to the solenoid . If memory serves me correct pull in draws more amps, so bad ground could show up on pull-in side and not hold in. So, checking ground first, will get 50% out of the way.