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Cars & Trucks Master
Re: Kaeser, SX6-150 circuit diagram
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What make , model an year vehicle ? Most of these circuit's are computer controlled . When you press the A/C button it send's a input to the PCM/ECM - engine computer which will energize or turn on a relay that turns on the compressor clutch . Looking at a wiring diagram to see what is involved in the circuit is the way to diagnose .
Testing the electrical circuit's would need to be done to find the problem . Looking at a wiring diagram for the starter electrical circuit ,to see what all is involved in starting the vehicle. First off is the security light lit on the insturment cluster ? Check engine light ? Do you know what a automotive electrical diagram is ? Here is a web site for free wiring diagrams . http://www.bbbind.com/free_tsb.html Enter your vehicle info. Year , make , model etc.... Then click engine under system ,then charging system under subsystem . Click the search button , then the second blue link . This is the starting system wiring . Looking at the diagram you will see there is a bunch of stuff . IGN switch , starter enable relay , park neutral safety switch ,Pass-key 2 theft deterrent module , starter . Knowing how it all works an where to test is the key to fixing a no start problem . Knowing computer controlled system helps too .
Learn how to diagnose electrical systems an circuits , It's easy ! Do you know what a wiring diagram is ? How to use one to find testing points in a electrical circuit > How to use a DVOM - digital volt ohm meter or a test light > Do you know what voltage drop in a electrical circuit is ? How to use it to find which side of the circuit has the problem . Power or ground . Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia Electric Testing Techniques You Need to Know
You can find free wiring diagrams here http://www.bbbind.com/free_tsb.html
Enter vehicle info. Year , make , model engine size ! Under system click on lighting , then under subsystem click on exterior lighting.
If you look down at the second diagram you will see the light switch powers the trailer tow relay .
Knowing make model and year would help. Most newer vehicles, 2000 and newer, will adjust the idle control up to compensate for the compressor engaging. Possible there is an issue in the idle air control valve or electrical circuit.
Depends on the make/model, but most manufacturers use a simple one-wire hood switch. When the hood is open, the switch connects the wire to ground and the hood open indicator lights up. it's easy for a manufacturer to incorporate a ground sense circuit into the alarm. Basically, if your hood switch has one wire to it (or sometimes two wires), leaving it unplugged could solve your problem with false triggering the alarm. Although some cars have two hood open switches. In any case, make sure to check that your hood is closed securely with the hood open switch disconnected.
Yes.. the circuit is stuck in the safe mode. Usually when you disconnect the battery it goes in the safe mode as if someone is trying steal the car and cut the battery wire to cut the alarm off, so it goes back on as soon as the circuit completes. So just get that cleared up and you will be fine.