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Fastlane » Holden Forums » Holden Technical Talk » HZ Premier temp

HZ Premier temp

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Maca37		#1 Posted : Thursday, 24 July 2025 6:05:36 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 30/08/2023(UTC) Posts: 23 Location: Melbourne Thanks: 1 times		Hi all, Need some help.I have HZ premier with GTS gauges and having trouble with the temperature readings.I have changed temp sender unit to the VDO unit for GTS and reads way to high.I added secondary gauge and temp reads perfect.Tried 3 different senders and having no luck.I have taken it too a gauge restorer and he said it won’t be the gauge. Any advice appreciated. Regards Tony


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HK1837		#2 Posted : Thursday, 24 July 2025 7:00:32 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,874 Thanks: 1 times Was thanked: 550 time(s) in 525 post(s)		Is there still a 0V wire in place from the - terminal of the battery to the radiator support? I’ve had this happen before with that wire missing.
		_______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?


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Maca37		#3 Posted : Thursday, 24 July 2025 7:25:06 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 30/08/2023(UTC) Posts: 23 Location: Melbourne Thanks: 1 times		There is a red wire going from negative to support panel.I couldn’t post a photo


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HK1837		#4 Posted : Thursday, 24 July 2025 7:48:08 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,874 Thanks: 1 times Was thanked: 550 time(s) in 525 post(s)		Make sure it has clean contact on the radiator support. And that the harness to body and frame connections are in place and clean up under the dash.
		_______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?


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Maca37		#5 Posted : Thursday, 24 July 2025 8:07:04 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 30/08/2023(UTC) Posts: 23 Location: Melbourne Thanks: 1 times		Thanks HK I will check.The car has been completely rewired so they should all be ok but I will double check. Regards Tony


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