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I need a wiring diagram for a 1993 isuzu npr

I have lost power to the glow plug relay and cannot find the source

Posted by Anonymous on

5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

snownbird33
  • 120 Answers

SOURCE: Glow PLugs and Relays

Good Day
The glow plug relays are located on the right front shock tower. Remove the cover and you will see two relays If I remember I think they are round, but not sure.

Please let me know how you make out and if there is anything else that I might be able to help you with.

Cheers

Posted on Sep 17, 2008

  • 1 Answer

SOURCE: NO POWER TO GLOW PLUGS

I have a '98 Jetta diesel that had problems with the glow plug circuit. I ended up replacing the harness and a fuse. All the information I needed to know I found on this web page:

http://www.tdiclub.com/

You will have to sign up to post questions, but it's free. I've had many other problems as well and found the experts there very willing to work with you.

Tom

Posted on Mar 13, 2009

  • 1796 Answers

SOURCE: I need a Fuel Injection

Hi!!
Go to this site to download a manual. http://www.pdfoo.com/isuzu/248-6673-pdf.html
In case it does not work, go to this site to look for the info. you need www.isuzutruck.co.uk
Good luck!!

Posted on Sep 28, 2010

  • 1 Answer

SOURCE: 2000 GMC W3500 diesel (ISUZU NPR),cranks but no

fuel line pick-up broken in the fuel tank

Posted on Feb 14, 2011

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1 Answer

2004 isuzu 3liter diesel starts cold drive 3 miles stop try to restart engine management light comes on and engine turn over for ages before starting. runs with light displayed


no car stated? some huge NPR truck, What?
no country
why>?
we cant guess lights,ever, we in USA forum are 100% blind.
guess you lost the operators guide book,, oops, fail.

glow plugs bad. (by all means)
filters packed.
start ok with starting fluid spray easy???????

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I need a wiring diagram for a 2004 isuzu npr diesel.


Sorry we do not have wiring diagrams for this car

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Need a wiring diagram for 2006 isuzu npr 300 stereo so i can fit a new stereo


youd need the NPR heavy truck, FSM book page on radio wiring
buy book at any Isuzu heavy truck dealer.
we dont now what radio option cam on that NPR
nor what country , other countries use different radios.
so..... this is USA forum, and we dont have NPR books.

Jun 09, 2016 | Isuzu Cars & Trucks

1 Answer

I want to know the isuzu 4hf1 heater plug wiring


block heater?
glow plugs?
or HVAC blower fan wires?
point to place and say where finger is point,
or tell symptom first. and ask for accurate, drawing.
can do.
and worse,,,,

no car stated. (heavy NPR truck?)
no year stated.
no country stated.
it's a huge diesel. in a huge truck, right?

May 26, 2016 | Isuzu Cars & Trucks

1 Answer

My 2002 isuzu npr diesel f14 ign/ecu fuse blows about 20 seconds after starting. The glow plugs are on the circuit. It's not a direct short to ground. I'm can't find the right wiring schematic.


first off
no country stated
the books are indexed by
country
year 2002
isuzu NPR heavy truck
ask Isuzu for matching FSM book at your dealer.>
factory service manual.

shorts
remove all loads on the feed F14.
then add them 1 by 1 until it blows. bingo. last add is shorted
id bet ecu and glows are not same feed
glows suck huge current
ecu, nill

join a read isuzu forum
or heavy truck?

Feb 01, 2016 | Isuzu Cars & Trucks

1 Answer

2000 Isuzu npr no power to brake switch.i checked fuse it has power


bad wire or bad connector
work from switch to source of power.
you will find the cause.
using a meter. a volt meter.
the exact point that goes from 0v to 12v (keyon, brakes on)
is the point of failure. (ohms laws and Kirchoff's)

main 12v>>>>fuse >>>>> ignition switch>>>>brake switch>>> lamps. >>>>lamps to ground.

check voltage at each point and BINGO. your answer.
its just a series circuit no more complex than a flash light.

i have no NPR drawings, they are very hard to get... in USA.

Mar 05, 2015 | Isuzu Cars & Trucks

1 Answer

1993 isuzu NPR no start


It sure would help. In fact, it may be necessary: check for a repair manual for your car at local libraries, or buy one, or register for free at autozone.com, listing make, model, year, and engine size. Their site has repair guides and wiring diagrams-although maybe not complete.
One thing I can help you with: the key switch would turn on the warning lights, and would make the wipers have power to the fuse panel. Check for an ignition relay right around the fuse panel. Some models have the ignition on-wire turn on the ignition relay to send power to some fuses of the fuse panel.
Now the headlights and tail lights do not go through the ignition switch. The headlight switch gets power from either a maxi-fuse or a fuse link just off the battery, and is or should be hot at all times, unlike the accessories which only have power when the key is on.
Like you, I don\'t know how your Isuzu is wired, just kind of stabbing in the dark. You really do need a wiring diagram. Sorry, can\'t help you, so I\'ll just shut up, but good luck with it.

Jul 02, 2013 | Cars & Trucks

1 Answer

Elf with engine 4hl1. Where can I get a wiring diagram?


in what country?
what year ELF.?
wiring,of what?
the whole truck, or just engine, electrics.
Isuzu sells a book, that covers this, ask them yet?
as you can see its direct injected.
and injections systems are not the same for every country. (smog laws. etc)
get it scanned yet.
no job stated, no problems stated, no symptoms stated.


this engine is:
The 4HL1 is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 140 PS (103 kW) at 3,000 rpm. Maximum torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 125 mm.

Sep 15, 2012 | Isuzu Cars & Trucks

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