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Power Probe ECT3000, User Manual

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Cont

ents

Congratulations ......................................................................................................................................... 4

Parts ........................................................................................................................................................... 5

The SMART Transmitter ....................................................................................................................... 6

Characteristics of the Short/Grounded Circuit Signal ............................................................................... 8

Characteristics of the Open Circuit Signal ....................................................................................... 9&10

The SMART Receiver ........................................................................................................................... 11

Battery Installation .................................................................................................................................. 12

Testing the SMART Receiver ................................................................................................................. 12

Pulse Mode .............................................................................................................................................. 12

Locking /Setting the Sensitivity of Short/Grounded Circuit Signal ....................................................... 14

Locking /Setting the Sensitivity of Open Circuits .................................................................................  14

Direction to Short .................................................................................................................................... 15

How to Use the ECT3000 in Diagnosing Circuits .............................................................................. 16

2

Summary of Contents for ECT3000

Page 1: ...p o w e r p r o b e t e k c o m 1 8 0 0 6 5 5 3 5 8 5 ...

Page 2: ...eristics of the Open Circuit Signal 9 10 The SMART Receiver 11 Battery Installation 12 Testing the SMART Receiver 12 Pulse Mode 12 Locking Setting the Sensitivity of Short Grounded Circuit Signal 14 Locking Setting the Sensitivity of Open Circuits 14 Direction to Short 15 How to Use the ECT3000 in Diagnosing Circuits 16 2 ...

Page 3: ...it inside a Wire Harness 19 Reception Distance and What that Means 20 Tracing Circuits that are Shielded 21 Open Circuit Signal vs Grounded Circuit Signal 22 How to Trace an Open Circuit 23 Verify an Open Circuit 23 Bench Tracing a Wire Harness 24 Tracing Out a Battery Drain or Current Draw 25 Circuit Wiggle and Flex Test 26 Index 27 3 ...

Page 4: ...detailed techniques in tracing automotive circuits We designed the ECT3000 as a quick solution to your automotive circuit problems The ECT3000 consists of 2 main components An Intelli gent transmitter and a Intelligent receiver along with a set of connection adapters that will help you Locate short circuits without unnecessarily removing plastic panels molding and carpet Trace wires to see where t...

Page 5: ...P P T K 0 0 0 3 P P T K 0 0 0 6 P P T K 0 0 0 5 P P T K 0 0 0 7 P P T K 0 0 0 8 ...

Page 6: ...e of the battery and the BLACK clip connects to the negative It can be connected to a power source from 12 to 24 volts Signal Lead The signal lead with the green banana jack plugs into the assortment of adapters probes and clips that are provided for you in the ECT3000 kit These accessories simplify connect ing to your circuit Moveable Hanger Stand Provides multiple convenient mounting options whe...

Page 7: ... important to familiarize yourself with both of these signals and how they work in your circuit The Grounded Circuit signal and the open circuit signal are different from each other which you should understand See Characteristics of the Short Grounded Circuit Signal pg 8 and Characteristics of the Open Circuit Signal pg 9 10 The 2 main features of the ECT3000 is that it transmits a signal into a c...

Page 8: ...metimes get away with not having to isolate the circuit The majority of the signal will follow the path of least resistance through the short and then back to the battery In fig 1 you can see the majority of the signal travels right to the short circuit You can also see only a small portion of the signal running through parallel wires 3 A 4 KHz Polarized Signal The fact that the Grounded Circuit si...

Page 9: ...g wires in a harness and even your hand This means that if conductive materials are between the trans mitting wire and the receiver the open circuit signal will not penetrate through and therefore not be detected by the receiver So it is necessary to be aware of possible shielding issues and try to avoid them as much as possible A great alternative to the receiver in detecting open circuit signals...

Page 10: ...rcuit Signal vs Grounded Circuit Signal pg 22 6 Has NO Polarity The open circuit signal does not have a polarity therefore the ECT receiver gives no direction indication as to a break in the wire You will need to logically reason the direction of the break in the circuit and then continue to trace it 7 8 Volt amplitude and 4 kilo Hertz signal The 4 Kilo Hertz signal of the open circuit signal can ...

Page 11: ...de see Pulse Mode pg 12 2 It increases the receiver signal sensitivity greater distance range 3 Turns off the receiver The Wire Harness Probe is for probing a harness to detect the open circuit signal See Tracing Circuits that are Shielded pg 21 The Direction to Short Ground indica tors point you in the direction to the short or ground of the complete circuit See Di rection to the Short Circuit pg...

Page 12: ...hing and pulsing a beeping tone To test the receiver for the Short Grounded Circuit signal connect the green signal lead to the negative post of the bat tery Then you can test the Grounded Circuit signal by placing the Open Short Pick Up of the receiver parallel to the green signal lead The receiver should detect the Grounded Circuit signal and show the direction to ground by the Direction to Shor...

Page 13: ... circuit In order to lock the reception sensitivity of the receiver two conditions must be met 1 The receiver must be in Pulse Mode 2 The receiver must be receiving a signal When these two conditions are met you can now press the Sense Lock Sense Low button to lock the dis tance of the receiver and reception sensitivity Adjusting the receiver s sensitivity Pressing either the Sense High or Sense L...

Page 14: ...t the receiver so that it is at its most sensitive setting in open circuit trac ing First turn on the receiver It is now in pulse mode Hold it as close to the open circuit as you can while receiving the most rapid pulse frequency Now lift the receiver about 4 inches away from the circuit and press the Sense Lock Sense Low button See Fig B At this level you should be able to pick up the open circui...

Page 15: ...ind that the receiver s Open Short Pick Up must be held parallel to the circuit for the Di rection to Short Ground to indicate The ECT3000 works equally well with either positive chassis ground or negative chassis ground The only thing you need to keep in mind is when tracing short circuits the receiver always points you towards the minus of the battery so if you have a short between your wiring a...

Page 16: ...where you may find it much easier to diagnose the circuit by injecting a signal into the light socket directly Universal Wire Adapter for making your own custom connector Fig 1 There are times when a short or open circuit is located closer to the tail light or brake light circuit It is here where you may find it much easier to diagnose the circuit by injecting a signal into the light socket directl...

Page 17: ... parallel to the shorted wire until the Direction to Short or Ground indicator beeps rapidly 6 Press the Sense Lock Sense Low button 7 Trace the circuit in the direction of the indicator until you loose the signal 8 If you reach an obstacle remove it or work through it Remember to ISOLATE THE CIRCUIT YOU ARE TRACING Inspect the circuit and verify the short See Verify a short circuit to ground pg 1...

Page 18: ...es that 100 of the signal is being transmitted down the wire you are tracing 2 if the circuit goes intermittent the transmitter will alert you See Circuit Wiggle Flex Test pg 26 Verify a Short Circuit to Ground One of the best tools for verifying a short circuit to ground is the Power Probe 1 2 or 3 To verify a short circuit connect the Power Probe to the circuit and press the power switch forward...

Page 19: ...u can pull one wire at a time away from the other wires creating some distance between them As you hold the wire away from the other wires the signal canceling effect is removed in that area and the signal strength will increase in the wire You can now get a reading off of the wire with the receiver by holding it parallel to the receiver s pick up area Take note of the directional indicator of the...

Page 20: ...of short grounded circuits note the distance of the pick up area to the wire as you slowly lower it down near to the wire For exam ple you will notice the receiver s indicator comes on about 2 inches with one wire and 3 inches with the other wire The wire that makes the receiver come on 3 inches away is transmitting a stronger signal than the circuit that makes the receiver come on only 2 inches a...

Page 21: ... a signal going into a shielded area and a signal going out you can consider the problem not in the shielded area Since you found the exit point of the circuit exposing the wire is unnecessary If you find that the signal does not exit the shielded area then you might need to remove the shield and probe further See Verify an Open Circuit pg 23 Other wires can shield Open circuit signals Wet carpet ...

Page 22: ...will also sound a tone that tells you that the circuit has just made contact with ground Tip Wig gling and pulling wires that have an open circuit signal on them can lead you to the problem This is done by the transmitter alerting you if the circuit you are pull ing on makes contact to a grounded circuit See Circuit Wiggle Flex Test pg 26 The point here is that Short Grounded Circuit signals take ...

Page 23: ... it or work through it Remember to ISOLATE THE CIRCUIT YOU ARE TRACING Inspect the circuit and verify the open circuit See Verify an Open Circuit below 9 Continue Steps 7 8 until you find the open or break in the circuit Verify an Open Circuit One of the best methods for verifying an open circuit is using a Power Probe circuit tester together with the transmitter Since the transmitter s open circu...

Page 24: ...ve on them to prevent capacitive coupling from occurring It is recommended to trace OPEN circuits while the IGNITION is turned ON This will supply a positive voltage on certain circuits that can potentially capacitive couple It is also a good idea to keep all of the vehicle s electrical loads light bulbs relays motors etc CONNECTED while tracing OPEN circuits This keeps certain neighboring circuit...

Page 25: ...nd components along the way to give you clues to the problem To trace battery drains and get nearer to the location of the current draw 1 Disconnect the positive terminal from the vehicle s battery You will need to consult your vehicle s owner manual for proper battery disconnecting instruction Some vehicles require that voltage poten tial be maintained at all times on certain components for insta...

Page 26: ...an keep flexing and wiggling the wire to locate the problem If you are injecting an isolated Grounded Circuit and the wires you wiggle causes it to loose contact it will instantly sound off alerting you to the fact that the circuit has lost its connection to ground As the transmitter is sounding you can press the Tone On Off button and the tone will toggle off When you toggle it off as it is alerti...

Page 27: ...pick up 11 open circuit indicator LED 11 open circuit signal 7 9 10 open vs complete signal 22 parallel circuits 10 parts 5 page power lead 6 power sensitivity lock 11 pulse mode 12 receiver 11 reception distance 20 reception sensitivity 13 self test 6 sensitivity locking 14 shielding 9 shielding 21 short circuit inside harness 19 signal cancelling 19 signal lead 6 testing the receiver 12 tone on ...

Page 28: ...tion Altitude 2000m ECT3000 Manual English V 1 2 PDWERPROBETEK CDII RECEIVER Power Supply 2 X 1 SV AAA Working Current When not signal be detected 15mA Power Consumption When Power Off 10uA Max Operating Temp 50 C Max Storage Temp 70 C Max Operating Relative humidity 80 Non condensation Max Storage Relative humidity 80 Non condensation Altitude 2000m POWER PROBE TEK 760 Challenger St Brea CA 92821...

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