70 judge temp sender
Does anyone have a photo and a part number for a 70 temp sender with gauges
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It takes 2 of them with a pigtail harness
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Would you by chance have pictures and part numbers for these components.
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Coolant temperature sender for a car with rally gauges
2 Attachment(s)
Here is a photo of a '65 GTO with rally gauges. The original coolant temperature sender for a 65 GTO is the same GM part # as was used in the 70 GTO with rally gauges.
The original GM # is 546702 that number was later updated to 1513321. Either one of those 2 #s would be an extremely rare sender to find today as an unused "NOS" part. Beware of the most current "updated" number of this sender which is: 12334869. About 15 or 16 years ago GM decided to amalgamate a bunch of their old coolant temperature senders (for older model GM cars with dash gauges) into one #. Unfortunately even though the part comes in a box that says AC Delco on it that replacement sender will not give you a true reading on any older GM cars (1965 & up, all 1970s) up to 1978. That new sender will show a reading on the dial (assuming the gauge is working 100% ) approximately 25 to 30 degrees higher than actual. |
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Thank you for posting that picture. It clears alot of things up. Do you know the part number for the sender on the left. Is it a 3 prong or 2 prong.
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3 prong
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TCS (Transmission Controlled Spark system) Temperature Switch. Part is called SWITCH, eng. thermo & dist. (or SWITCH, thermo. & dist. vacuum) in the parts book, Groups 1.150 and 2.410, PN 6489712 ('70 V-8 unit), 6490152 ('71 Pontiac V-8 unit, exc. 455 HO), 6490153 ('71 455 HO unit, exc. Rally gauges) and 6490384 ('72 Pontiac V-8 unit and was the replacement unit for all, in the '83 books).
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