Question about 1989 Isuzu Trooper

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About electric cable problem

I have problem about electric cable, my car trooper dosen't :
1. Working when i was starter, mybe the cable to motor starter was brooken
2. When diesel engine's was turn on, the indicator battery charge dosen't turn off.

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Check the battery first

Posted on Jul 27, 2008

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Replace starter


Starter Replacement
Removal Procedure
Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
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  3. alt="Click here for detailed picture of above image.">
  4. Remove the positive battery cable starter motor lead nut (1) from the starter.
  5. Remove the positive battery cable lead from the starter.
  6. Remove the starter solenoid terminal lead nut (2) from the starter.
  7. Remove the starter solenoid terminal lead from the starter.
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  8. alt="Click here for detailed picture of above image.">
  9. Remove the starter motor bolts (2, 3).
  10. Remove the starter motor (1).

Sep 23, 2015 | 2000 Cadillac Catera

Tip

Trouble-shooting your Isuzu starter..


Basic operation of a starter:
Your engine's starter motor is an electrical motor that is used to rotate the engine in order to get it to fire up. This motor draws a large amont of current from the battery (in the order of 70 Amps and up). In order to supply power to the starter a solenoid is used, it acts as a switch between the battery and the starter motor. This solenoid also engages the starter gear with the engine's flywheel and disengages it once the engine is started. Because the circuit for the solenoid also draws a heavy current a further relay is needed to control it.
The diagram below shows the electrical layout of the starting system.
  • i : Battery
  • ii : Starter relay(located in the relay box in the engine compartment)
  • iii : Starter solenoid
  • iv : Starter incorporating solenoid and motor.
  • v : Engine
  • vi : Battery earth cable
  • vii : Engine earth cable
  • viii : Ignition fuse
  • ix : Starter fuse
  • x : Solenoid to starter supply cable
  • xi : Ignition switch
  • xii : Starter motor
When the ignition(xi) is turned it supplies power from the battery through fuse (viii) to the starter relay(ii).
The starter relay activates and supplies power to the starter solenoid(iii) via fuse (ix)
The starter solenoid activates and connects power from the battery to the starter via a short cable(x) between the solenoid and starter motor. This allows the starter motor to turn.

General trouble shooting.
Turn the ignition off.
1/ First you need to check that the fuses are intact.
Keep the ignition off. Place the vehicle in Neutral. Chock the wheels and engage the parking brake.
2/ To prove the starter motor, connect power from the battery positive to the cable (x). This must be done with jumper cables. Touch the jumper cable to the connector on the back of the solenoid where cable (x) connects. Take care not to short circuit the jumper cable to the engine or vehicle body. It can be a tight fit and might not always be possible. If you hear the starter motor spin then it is working along with the engine earth cable. If not, connect the negative lead of the jumper cable between the battery and the starter motor body or any other bare piece of metal on the engine and put the positive lead on cable (x) again. If the starter motor does not spin it needs to come out for repair/replacement. If it spins check both the battery earth cable and engine earth cable and repair where nescasary.
3/ Once the starter motor has been proved move on to the solenoid. Remove the thin wire from the solenoid. Using a small piece of wire, connect battery positive to the connector where you just took off the wire. The solenoid should kick in and the starter motor will turn the engine. If the solenoid does not kick in, remove the starter for repair/replacement of the solenoid. If the solenoid kicks in then replace the starter relay.

If the starting circuit still does not operate the fault will be in the wiring. This needs reasonable expertise and if you dont have a voltmeter handy is not advised.
Bear in mind on automatic transmission vehicles there is an additional switch (Mode switch) wired in between the ignition switch and the starter relay. This switch is on the transmission itself and if faulty will not allow the starter to operate even if steps 1 to 3 were successfull. The same goes for the anti theft/immobiliser system.

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The following is specifically for Isuzu Trooper and Rodeo :
  • i : Battery
  • ii : Starter relay(located in the relay fuse box in the engine compartment designated X-17)
  • iii : Starter solenoid
  • iv : Starter incorporating solenoid and motor.
  • v : Engine
  • vi : Battery earth cable
  • vii : Engine earth cable
  • viii : 10A Starter fuse C-1(Fuse box: LH footwell on LHD vehicle, RH dash on RHD vehicle)
  • x : Solenoid to starter supply cable
  • xi : Ignition switch
  • xii : Starter motor
  • xiii : 80A Main fusible link FL-1(Relay fuse box)
  • xiv : 50 A Key SW fusible link FL-2(relay fuse box)
  • xv : Mode switch(A/T only - mounted on the side of the transmission) and for 6 cylinder manual transmission engines this is the clutch start switch mounted on the clutch pedal.
  • xvi : Anti theft system
  • B2 : B2 on ignition sitch
  • ST : ST on ignition switch
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How to wire a relay

on Sep 17, 2010 | Isuzu Trooper Cars & Trucks

2 Answers

2000 Isuzu trooper won't start. Turn the key and get a click but no engine start. Could it be that the celenoid is stuck?


Are the battery an cables good ? Check the starter electrical circuit , voltage drop testing ! Why pull the starter , until you have to ! Starter Voltage Drop test the circuit before you pull the starter !

May 08, 2014 | 2000 Isuzu Trooper

1 Answer

I just buought a 98 Volvo S70 T5, the car sat for abit, to the point were It had to jump it. to start. ran great for the next 2 hours off and on mybe 7 diffrent starts but it never running for more then...


It could be a number of things:
  • Bad connection or corrosion on battery cables
  • Dead cell in the battery would prevent it from charging fully
  • Bad or worn drive belt would slip, preventing the alternator from fully charging the battery
  • Bad alternator
If the car will run at idle with all accessories turned on, the alternator is good and you should concentrate on the battery and battery cables. If the car won't idle, then the drive belt and/or alternator could be the issue. If the car starts everytime when it's cold and only gives you a problem starting when the engine is hot, the starter could be the issue. A bad starter will often work when it's cold (after sitting a few hours or overnight). When a bad starter gets hot, it takes more and more power to get it to turn over.
Overall, I'd have the electrical system checked out. Most chain auto parts stores (Autozone, Advance Auto) will do a complimentary electrical test for you.

Jul 22, 2011 | 1998 Volvo S70

2 Answers

How to remove the starter from a 1993 isuzu trooper with a 3.2L engine,auto tans and 4wd.?


follow your positive cable from battery ,the starter is at the other end its held to motor by two bolts i believe is a14mm or 15 mm

Dec 09, 2010 | 1993 Isuzu Trooper

1 Answer

Ho w do i replace starter to a 1998 trooper and where is it located? pictures would help.


Read here before you replace the starter.
Bear in mind that the starter solenoid usually fails long before the starter motor itself and is a much cheaper repair.
Starter is on the LH rear of the engine.
NB!! : Whenever you work on the starter first remove the battery negative cable.
On V6 engines remove the LH exhaust downpipe(1).
Remove heatshield(3), 2 electrical connections and then the 2 bolts that hold the starter to the transmission.
On 4 cylinder engines it is possible to remove the starter by just removing the 2 electrical connections and then unbolting the 2 bolts holding the starter to the transmission. In this case an assistant is nescasary to help with holding the nut in the engine bay while you unbolt from the bottom of the vehicle.681bb13.jpg

Sep 23, 2010 | Isuzu Trooper Cars & Trucks

3 Answers

The alternator on my 1992 Isuzu Trooper fried (green smoke pouring out), changed the alternator, charged the battery, checked all fuses; still no power, car will not start (no clicking sound, absolutly...


do the head lights work????????that is first
becaus it works key off a speaks volume to any tech

wild guess:
battery installed backwards or you made sparks
remove it or alt or starter.
fuses blew.
easy peasy japaneezy
or worse,there is always that.?


elaborations. pretending HL work.
buy and $10 voltmeter and end the guessing?
5min work and bingo.
wow this fuse has 12vdc one side and 0 other.?
or key on fuses, same.
5min


there are many ways to do this.
start at end work back
start and begin (key) and work forward
or the middle (cuts job in half too)

so i go to the starter solenoid first.
if head lights dead i work them first....
starter 3 lugs.
outboard lug first.(batter + is battery installed backward?)
got +12v on the big lug (y/n) (outside lug)
connect meter neg test lead to battery neg lug for all tests.
if voltage drops fast? or does cranking
bad battery ,starter shorted or cables (or discharged battery) (we use an ammeter to discover shorted starters,or hand turn engine for seized engines.
next tiny lug, (called Key Line)
it goes hot 12v? cranking. so turn key.
does it go hot? (hot means 10to 12v cranking0
if yes, goes hot cranking on the tiny lug
(yes starter dead , or the battery minus lug is loose , the far end of minus bat cable must be tight.
no? that means the KEY line is dead.
the car if a/t tranny cuts the key line via the P/N switch,or some immobilizers., i stop here on key line, ask.

some cars have wire fuses, looks like wire, and are not. "fusible link wires"
if you change out starter or alt without battery neg lug not disconnected in step 1 ,you risk main fuses under hood(blowing or far worse)
so what does "good fuses mean" OP? (the looks)>?
or just dash fuses. tested skipped under hood.
fuses that look bad are
fuses that look ok, can in fact have hair line cracks so we actually test them or waste Huge time.
and go poor. (tests done wrong are highway-to-h3ll)
or looks like dog chasing his tail.
0 ohms good
12v both sides key on, good.07316db1-a220-4760-a228-0a546c4edbe8.jpg

Mar 20, 2010 | 1992 Isuzu Trooper

1 Answer

Isuzu Trooper 2,3 engine take out the motor


just undo all the bolts to the transmission, and remove the engine mount bolts, fuel lines, some electrical, throttle cable, battery, starter,...and a few other water lines and stuff and just lift the engine out.

Feb 25, 2010 | 1986 Isuzu Trooper

1 Answer

No power no where


i would say your spot on you have indeed fried the wires so i wish you luck/ you are going to trace them back,i would follow the wires from the battry to starter first, then out .Follow the power cables mybe you will get out light with this power surge.adrian;;;

Dec 28, 2008 | 1986 Isuzu Trooper

1 Answer

I HAVE A 1995 ISUZU TROOPER W/105K MILES. DROVE CAR & PARKED IT FOR 2 HRS. TRIED TO START IT WOULDN'T TURN OVER & MADE NO NOISE/CLICK WHEN KEY IS TURNED ON. I THEN CHARGED BATTERY (IT'S GOOD FAIRLY...


Could be one of two things.

1. Your starter motor is no good.
2. If you turn on your lights and try to start the car and they dim to almost black, then you need to check the battery connections.

Jul 14, 2008 | 1999 Isuzu Trooper

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