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re: Electric baws…what is this schematic symbol?- update
Posted on 5/27/25 at 9:11 pm to Darth_Vader
Posted on 5/27/25 at 9:11 pm to Darth_Vader
quote:
It’s been many, many years since I had to even think about an electric schematic. So maybe my memory is failing me. But I don’t recognize that symbol.
I was an Electrical Engineer specializing in controls, and whenever I had to look at schematics from OEMs it frustrated the hell out of me because they use the weirdest symbols.
0
Posted on 5/27/25 at 9:52 pm to Obtuse1
quote:
Can you show us more of the subsytem schematic?
Pretty small to get onto here but can try tomorrow.
It is holding refrigerant, fan is blowing but no power to compressor. Relay to compressor is good. Straight sending power to compressor can hear clutch soo thinking have a line power issue at this point. May just run a new wire inline.
Posted on 5/28/25 at 4:46 am to RealDawg
Determine what circuit is missing at the relay. (#1)- Does it have full time 12 v power supply? (2)- Check ground circuit-is the ground circuit good? (3)- Does it have 12v engagement power?( power to relay when a/c request is made.) (4)- Signal circuit (relay engagement circuit-this is not a 12v signal)
I would determine what each leg of the compressor relay is doing before proceeding. Are you using a 12v test light or a volt meter for testing? You say: " Straight sending power to compressor can hear clutch soo thinking have a line power issue at this point." I understand you hear the clutch when you supply power but does the system cool when you supply this power?
I would determine what each leg of the compressor relay is doing before proceeding. Are you using a 12v test light or a volt meter for testing? You say: " Straight sending power to compressor can hear clutch soo thinking have a line power issue at this point." I understand you hear the clutch when you supply power but does the system cool when you supply this power?
Posted on 5/28/25 at 7:32 am to windmill
I’ll be back on this. Going to see if I can isolate the schematic to share.
Posted on 5/28/25 at 7:33 am to Obtuse1
quote:
Male and female plugs
But what about the other 72 gendered plugs?
Posted on 5/28/25 at 12:54 pm to RealDawg
“May just run a new wire inline.”
I don’t recommend this at all. You’d be by-passing some circuits which are protection for the compresssor.
I’ll check back on this thread
I don’t recommend this at all. You’d be by-passing some circuits which are protection for the compresssor.
I’ll check back on this thread
This post was edited on 5/28/25 at 12:56 pm
Posted on 6/1/25 at 5:48 pm to RealDawg
It’s a connector for the harness.
Posted on 6/1/25 at 5:58 pm to RealDawg
quote:dunno about a hoe but most vehicles AC systems have a low and high pressure switch that will interrupt power in either situation.
It is holding refrigerant, fan is blowing but no power to compressor. Relay to compressor is good. Straight sending power to compressor can hear clutch soo thinking have a line power issue at this point. May just run a new wire inline.
Posted on 6/7/25 at 10:06 pm to RealDawg
Found it! Was a ground a couple relays deep. Coming out ice cold. Appreciate the help.
This post was edited on 6/7/25 at 10:07 pm
Posted on 6/7/25 at 10:15 pm to RealDawg
Does the half circle represent the electric clutch on the compressor?
Posted on 6/7/25 at 10:22 pm to auggie
It was a junction coming from a diode that was coming from compressor.
Just below that junction was the power coming from the compressor clutch relay (where the ground wasn’t working).
The compressor clutch relay gets its power from blower main relay.
Glad it wasn’t anything major. So far holding refrigerant great.
Just below that junction was the power coming from the compressor clutch relay (where the ground wasn’t working).
The compressor clutch relay gets its power from blower main relay.
Glad it wasn’t anything major. So far holding refrigerant great.
Posted on 6/7/25 at 10:31 pm to RealDawg
Good.
How do you like that little Koochie?
I've never used any of their equipment. Haven't even been around any very much.
How do you like that little Koochie?
I've never used any of their equipment. Haven't even been around any very much.
Posted on 6/7/25 at 10:51 pm to auggie
Quality is good. Parts are a little more challenging and you don’t get much help from forums like you do Deere, Cat or Komatsu.
The systems are solid and they hold value.
Luckily have a dealer kinda close that I can get some pointers from on mechanicals.
The systems are solid and they hold value.
Luckily have a dealer kinda close that I can get some pointers from on mechanicals.
Posted on 6/8/25 at 12:21 am to RealDawg
quote:
Quality is good. Parts are a little more challenging and you don’t get much help from forums like you do Deere, Cat or Komatsu.
The systems are solid and they hold value.
Luckily have a dealer kinda close that I can get some pointers from on mechanicals.
On top of all that, when you're out there on the job, it's always fun to say "koochie".
Posted on 6/8/25 at 12:45 am to RealDawg
I'm glad you found your trouble. Gotta have that a/c!
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