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The new cards are available thru Hill Billy Wizard.
The transistor in question is the part that is riveted to the board. Looks like that board was made around Nov 1985
It will show continuity to ground for the duration of the Wait period and it may stay on for a little while longer.
The length of time it stays on is determined by several factors, mainly engine temperature.
Your procedure is correct for testing the ground command from the GP card.
New cards...
Sounds like you lost the transistor that provides the ground command to the GP relay.
Disconnect the light Blue wire from the GP relay. When the card is functioning properly, this wire will pull to ground. Check to see if that is occurring during the Wait light period with an ohm meter.
Sounds like the GP system is working properly. The glow plugs will stay on for up to 45 seconds after the wait light goes out. This "after glow" time depends on how cold the engine temperature sensor is.
The GP system will keep the plugs supplied with power for a short period of time even after...
This thread is about the camper build. It is not about CDL requirements and commercial trucks.
The 5 ton food truck comments should be addressed in the existing thread about the food truck.
https://www.steelsoldiers.com/showthread.php?186438-M927-as-a-Food-Truck-Looking-for-advice
Ken,
If you need parts please post in the Classified section under Parts Wanted.
The LED dash light question has come up many times here and there are numerous threads that can be found on that topic.
I was sweeping the 26-55 MHz region. It does not do so well in the 11 meter band but does do well in the 6 meter band.
Its a MX6707 base that has a switch on the bottom to change frequency ranges.
So the CB band is not so good but the 52 MHz region looks good for FM simplex work.
Unfortunately I will not be going to the Redball meet this weekend.
Put an ohm meter on it and see what the reading is. Then see what the ohm meter reads by touching the leads together, subtract that amount from the resistor reading. The difference will be the value of the resistor pack. It...