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HK GTS nstrument Cluster

When fitting a GTS dash in place of a standard one, do they require a seperate loom or can I use the original one or do I need to run wires to the guages? Thanks Rick

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It is a straight swap. The loom is identical and the plug is the same, the only other thing you have to do is replace the temp and oil pressure switches with the sender units. I have done it to an HK ute.
Cheers,
Pete.

Old Holdens never die, they just go faster.

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cheers,
Pete.
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"Old Holdens never die, they just go faster"

The only thing that need to be wired is the amp guage, I did this to my HK wagon. Can't remember exactly were the wires went but it was to the starter motor wiring. However don't do what I did use a grommet through the firewall, I managed to set fire to the wiring loom about 6 months later!

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Most people assume that you need to run a new main wire to hook up the amps gauge, this is not always the case.
Factory amps gauges are wired in series to the main power wire that comes into the passenger compartment and connects to the fuse box...
Two basic colours that really remain the same right through the Holden range RED = main battery power (unswitched)
and PINK = accesory power (switched).
what you need to do is find the main RED wire that comes into the fuse box and the CUT this wire and patch the amps gauge into that wire ( connecting it up in series IE wire comes from power into one side of the gauge and then the other side of the gauge goes back to the fuse box...
all power then used by the cars electrical system (factory connections) is then metered by the gauge as the current passes through it. no need to run an extra wire as the wiring already exsists, it's really quite easy to do..
cheers
john
Silence is Non Committal

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Cheers
John
:o)

Dislike me for who I am you may, like me for whom I'm not, you never will...
MY SHED

Hi Guys.

Arsewipe in not totally correct about the amp gauge wiring.

If you wire the gauge by his method you will only see what current the vehicle is using. You will not see the how much the battery is being charged.

If you check the factory wiring diagram, you will see on the cars with an amp gauge (they're called an ammeter by the way) they have the wire running from the battery to the alternator removed, & then the alternator output wire is run inside, as well as a wire from the starter solenoid.

3 wires have to be run, 1 side of the ammeter goes to the solenoid, the other side of the ammeter has 2 wires. 1 goes to the alternator & the other is the main supply to the vehicle's fusebox etc.

Dr Terry.

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Yes your right, I sit corrected ;), However, the only difference is that the battery being charged would show up in the correct method as you say, but any current at all being used would show on the gauge the other way...
cheers
EDIT!!! Actually I need to correct myself here, Thinking on it, if wired up the way I described, the amps gauge would only read in discharge with the current usage of the accessories, it would not show any charge rate at all...back to being corrected I guess :)
cheers
john
Silence is Non Committal

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Cheers
John
:o)

Dislike me for who I am you may, like me for whom I'm not, you never will...
MY SHED

as an electrician I have two things to say:
1. DON'T WIRE UP THE AMMETER if it fails it goes open circuit (happened to me) and then NOTHING IN YOUR CAR WORKS until you find the fault and bypass it.
2. If you must wire up an ammeter, I would suggest that John's method (whilst probably not original) is the better one, as this shows how much power your car's accessories are actually using. You don't really care how much charge current your battery is taking.... The current drawn by current consuming devices is what counts.
THE PINK BITCH

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I've got a few HQ GTS gauges in bits and one melted Amps gauge, I had the idea to try and convert the amps gauge into a volt gauge (using different guts) as really the volts are what tell us the real condition of the charging system, just need to get my finger out and make it happen..
Cheers

john
Silence is Non Committal

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Cheers
John
:o)

Dislike me for who I am you may, like me for whom I'm not, you never will...
MY SHED

Correct John, voltmeters are a MUCH better way to go, IMHO. If the volts drop below about 11 or 12, your car is drawing more than the alternator is charging...

Cheers...Dave

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Cheers...Dave

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Qute's Shed

completely correct.
when choosing a Voltmeter try to get one that doesn't show anything below 9 or above 15 Volts (a 0 - 18 Volt meter will tell you your Volts are somewhere between 10 and 14, but you knew that anyway!! For finer readings you'll have to squint!!)
THE PINK BITCH

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Hi Guys

This is the first time i am actually on a site like this. I live out in south africa and i am currently rebuilding a 71 monaro HK gts. There are not many of these cars around so it is very difficult to get anything for the monaro. I am desperatly looking for a wiring diagram. If anyone could mail me with one or even let me know if there is a site which i could go to i would apprciate it.

THANKS
ierfaanpeck@flysaa.com

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I think you might mean HG, but they are basically the same.

I have SOME of the HK ones and I'd be happy to E-mail those that I have to you if you like.

Cheers...Dave

"Some people don't deserve old Holdens"

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Qute's Shed

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Cheers...Dave

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Qute's Shed

I agree Dave, and I already sent him some snaps, but if yours are more readable (AWG visible) then it might help.

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Hey kreskin, send me an E-mail and we'll compare notes.

Cheers...Dave

"Some people don't deserve old Holdens"

>E-mail Me
Qute's Shed

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Cheers...Dave

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Qute's Shed

restored hj Monaro and amp gauge go to high all time, started, ignition on and face of gauge felting, getting hot. used original loom, alternator reads correct output. I don't want to put new gauge in before checking if some fault else where. Is there a common fault. Not sure if worked before resto
cheers Geoff

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"restored hj Monaro and amp gauge go to high all time,started, ignition on and face of gauge felting, getting hot.""

It may not be wired correctly. Amp Gauge wiring here ...

http://holdenpaedia....

"used original loom, alternator reads correct output."

What amp rating is your Alternator?

"I don't want to put new gauge in before checking if some fault else where.""

Good move. Faulty wiring might blow you new one.

"" Is there a common fault. Not sure if worked before resto
cheers Geoff""

The original Ammeter can't handle late model high capacity Alternators. They only read to 40 amps.

I would use a Shunt as stated in the link and make it read x 2.
Jaycar sell Shunts.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

Marking the thread.

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"Junk is something you throw out 3 weeks before you need it"

HJ Holdens didn't get an ammeter in the GTS instrument cluster. The HJ had a voltmeter as did all later sports dash clusters.

If the voltmeter in the HJ is reading high, then the alternator is overcharging or the meter is faulty.

Dr Terry

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