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REMOTE SENSE ALTERNATOR OUTPUT TEST

After the battery or batteries have been tested and were good (or have 

been replaced) and after the charging cables have been tested and 

were good (or were repaired or replaced) you may proceed to test the 

alternator.

This test can also be selected 

from the main menu by selecting 

Alternator Test then press (Y 

Enter).

If the unit is setup to require 

visual checks you will be asked to 

inspect belt condition

Inspect cables and connections before 

alternator rating is entered.

…and tension.

 BATTERY TEST

 BATTERY BANK

 VDROP TEST

>ALTERNATOR

>INSPECT BELT

 CONDITION. 

 'Y' TO CONTINUE

>INSPECT BELT

 TENSION. 

 'Y' TO CONTINUE

>INSPECT CABLES

 AND CONNECTIONS

 'Y' TO CONTINUE

CONNECT LARGE LEADS 

TO THE ALTERNATOR

'Y' TO CONTINUE

Red to output terminal and Black 

to ground / case output adapters 

recommended.

CONNECT LARGE LEADS 

TO THE ALTERNATOR

'Y' TO CONTINUE

Check the alternator tag or 

housing and use the +/- key to 

select the rated output.

See picture below

ALTERNATOR BENCH TESTING (Cont.)

MAKE SURE THAT 

THE BELT IS 

STRAIGHT.

'Y' TO SCROLL

TIGHTEN THE BELT

'Y' TO SCROLL

ATTACH BLACK 

BENCH LEAD TO 

GROUND ADAPTER.

'Y' TO SCROLL 

Securely attach the black bench lead to 

the alternator’s casing or to the ground 

adapter post (if the alternator has a 

ground post instead of a case ground).

ATTACH BLACK 

TESTER LEAD TO 

ALTERNATOR.

'Y' TO SCROLL 

ATTACH POSITIVE 

ADAPTER TO 

ALTERNATOR

'Y' TO SCROLL  

ATTACH RED BENCH 

LEAD TO POSITIVE 

ADAPTER.

'Y' TO SCROLL  

ATTACH RED TESTER 

LEAD TO POSITIVE 

ADAPTER.

'Y' TO SCROLL  

Also attach the black lead from the BCT 

200J to the alternator’s casing or to 

the ground post (if the alternator has a 

ground post instead of a case ground).

The AC-27 adapter makes it possible to 

attach the red lead from the bench and 

the red lead from the BCT 200J to the 

alternator output post. Be sure to thread 

the adapter completely onto the output 

post of the alternator and tighten.

Align the belt so that it is straight and 

will not come off.

Make sure the belt is tight so that it will 

be able to properly turn the alternator 

under load.

Summary of Contents for Remy BCT-200J

Page 1: ...res the voltage drop of the starting and charging circuit The BCT 200J is automated and menu driven with simple hook up methods for testing the negative and positive legs in one operation Special test...

Page 2: ...ble Optional PR 15 Infrared printer Optional AC24J carrying case Optional AC 10 PC Interface adapter cord Optional AC 27 Alternator Adapters Optional AC 35 PC download program Weight 4 27 lbs What to...

Page 3: ...9 Single Split 7 Magnetic Circuit VDrop Test 30 32 Without IMS With IMS 8 Key Circuit VDrop Test 33 36 Without OCP With OCP 9 Liftgate VDrop Tests 37 39 10 Alternator Bench Test 40 45 Maintenance 46 C...

Page 4: ...gulator setting can cause lead sulfate to gradually build up and crystallize on the plates greatly reducing the battery s capacity and ability to be recharged n Cycling Excessive drain on battery when...

Page 5: ...and alternator for loose connections loose mounts and frayed or cracked wires Loose Hold downs Corrosion Check for loose belts and auto tensioner Gives the version of the software NOTE This screen is...

Page 6: ...software applications consult your software manual n Under Column Date Format select General then Finish n After the file is loaded you can delete unwanted rows and format columns as desired The follo...

Page 7: ...hop for a PM Service NOT when the vehicle is having electrical system issues For a vehicle with a suspected electrical problem use the individual tests starting with the batteries then the cables and...

Page 8: ...nections before testing the batteries If the batteries or posts are damaged replace the batteries Make sure the batteries are free from dirt cracks and leaks and that the connections are clean and sec...

Page 9: ...llow the batteries to stabilize for at least 10 minutes after being charged or loaded before running a test 1 Scroll down the main menu to DOWNLOAD Press Y Enter to select Using Auto Meter s optional...

Page 10: ...the reason for battery bank failure Clean posts and connections are essential when checking each battery Make sure batteries not being tested are disconnected INSPECT BATTERY FOR DIRT LEAKS OR CRACKS...

Page 11: ...e SETUP From the main menu select SETUP Select the temperature in Fahrenheit or Centigrade If answered YES the above screen will appear at the beginning of the first test for a vehicle Each digit with...

Page 12: ...f ERROR appears the connections has not been established VOLT METER Select VOLT METER from the main menu and press Y Enter This gives the user a chance to check the voltage from the large clamps and t...

Page 13: ...00J Press Print You should be within 15 ft of the printer Wait for the screen to clear before moving the BCT 200J It takes a moment to send all the test data The BCT 200J also operates the AC 14 print...

Page 14: ...is a single or dual system Single has one cable from the alternator output terminal Dual system has two cables attached to the output terminal Every load that the tractor and trailer utilize must be...

Page 15: ...he silver jaw contains the larger conducting wire that draws the load in each test Jaw insulation is necessary for accurate readings Damaged clamps or loose wires will affect the readings Keep clamps...

Page 16: ...ck to ground case output adapters recommended CONNECT LARGE LEADS TO THE ALTERNATOR Y TO CONTINUE Check the alternator tag or housing and use the key to select the rated output See picture below ALTER...

Page 17: ...ition key to the run position Non Remote Sense empty port Non Remote Sense Alternator ALTERNATOR BENCH TESTING Cont TURN MOTOR SWITCH OFF Y TO CONTINUE TURN BATTERY SWITCH OFF N TO CANCEL TURN BENCH P...

Page 18: ...battery is too weak or if the cables or leads of the bench have too high of a voltage drop then the battery and or cables will need to be serviced before continuing with the alternator test If the ben...

Page 19: ...d is producing high ripple ALTERNATOR BENCH TESTING Cont ALTERNATOR AND TESTER SHOULD BE HOOKED UP Y TO CONTINUE DOES ALTERNATOR HAVE A REMOTE SENSE N OR Y CONNECT REMOTE SENSE POST TO OUTPUT POST Y T...

Page 20: ...key to select the rated output See picture below ALTERNATOR BENCH TESTING Cont MAKE SURE THAT THE BELT IS STRAIGHT Y TO SCROLL TIGHTEN THE BELT Y TO SCROLL ATTACH BLACK BENCH LEAD TO GROUND ADAPTER Y...

Page 21: ...t Bench Test and press Y Enter PRESS Y TO SCROLL THROUGH BENCH SETUP OR TO SKIP Press Y to scroll through the prompts for connecting the alternator to the bench or press the Up key to skip over the pr...

Page 22: ...at the entered current Reports the drops at the entered current 24 Volt 12 Volt 24 Volt 12 Volt 24 Volt 12 Volt 24 Volt Main Starting Cables Magnetic Circuit Straight Drive Maximum drop at 300 Amps is...

Page 23: ...S N TO CANCEL Wait for test to complete its testing cycle LIFTGATE VDROP TESTS Cont Then connect small leads to the battery or along the circuit being tested as illustrated in the setup and press Y E...

Page 24: ...st can be used to test the liftgate charging and motor circuits as well as any other circuit that includes a battery and cables and is designed to operate a load of 20 amps or more Select TRAILER CHAR...

Page 25: ...e conditions of the cables Both the positive and negative circuit results will be indicated from the single test If the test does not pass correct the connection or replace the cable and run the test...

Page 26: ...T GROUND KEY SWITCH VDROP TEST Cont OCP A will always be the small black lead A to B tests power at key switch A to C tests power out of keyswitch A to D tests power at the push button A to E tests po...

Page 27: ...able and run the test again The BCT 200J will automatically resume the test after it is disconnected Just answer Yes when prompted 6 GENERIC VDROP VOLTAGE DROPS AT 250 AMPS 35 POS 29 NEG This example...

Page 28: ...SCONNECT GROUND 8 KEY SWITCH VDROP TEST Note This is a real time test and the operator must observe and record the data when the key switch is energized S terminal wire must be removed from the soleno...

Page 29: ...he test after it is disconnected Just answer Yes when prompted 6 GENERIC VDROP VOLTAGE DROPS AT 250 AMPS 18 POS 41 NEG This example is out of spec with a total drop of 59V MAGNETIC CIRCUIT TEST Cont M...

Page 30: ...E CONNECTED TO ANY GROUND ON 24 VOLT SYSTEMS THIS LEAD MUST BE CONNECTED TO THE STARTER GROUND CHARGING CABLES STR MAIN CABLES MAG CIRCUIT LIFTGATE VDROP Connect the large red clamp to the disconnecte...

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