Question about Cars & Trucks
After programming irritrol auto watering system I push the function switch to run and it turns the watering time to off so nothing happens. Voltage at the 24 volt terminal is 13.2 volts, however when I wn hook the 24 volt wire and check it it reads 24,4 volts
The typical lousy power source for this system is likely defective. They will normally rise to 140-150% of nominal voltage (24V) and settle around the required voltage when loaded.
Check the supply (if separate) for a rating of voltage and current; for example: "24VDC/XXMa" where the 'XX' is the current that will either be in milliamperes or amperes.
To correctly measure the voltage, you must know first if it's output is AC or DC.
If this is a DC supply, it probably has a failed diode, if AC, the transformer is bad.
A less likely, but possible problem, is that the programmer itself has an internal failure and is overloading the supply.
If you have a meter with a separate 10A jack, and you can interrupt either side of the supply line, try measuring the load current.
This will however, only be possible if the 10A can measure both AC and DC or if you know that the supply output is DC.
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Posted on Jan 02, 2017
SOURCE: Will not charge
you will get some funny answers from some of these "experts " The symptoms suggest to me with out much doubt that the regulator is not doing its job correctly ,consistently.Iwould take it to an AUTO ELECTRICIAN and get it tested in situ.... there is only 4 things it can be , wireing ---battery---alternator-----regulator and of those the reg. is the only one that chops and changes. it will cost little for a sparky to check the reg ,. AND I WOULD LIKE TO KNOW THE OUTCOME
Posted on Oct 22, 2009
On some of the older style GM's you can take that brown wire and cut it and take the end leading from the alternator and hook it directly to the hot terminal on the alternator and just leave it hooked up and it will work. But I have ran into the occasional problem where leaving it hooked up will drain the battery when the vehicle isn't running. Hope this helps..
Posted on Oct 25, 2009
Testimonial: "I fixed the problem - the terminal at the brown wire was corroded - after cleaning and recrimping - everything works - thanks for the heads up"
Tips for a great answer:
The ignition switch is in the RUN position.
All accessories are turned OFF.
All modules and devices are connected and functioning properly before programming.
Verify that the SPS Techline Terminal and scan tool have the latest software version.
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