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The temperature sender is called the thermal transmitter by Datsun. a.k.a. temp sensor. If varies resistance according to temperature, thus causing the Temperature Gauge to display the correct temperature.
Contents |
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Overview
Early: Bullet connector type 1970-1981 Late: Spade connector type 1982-
Transmitter at right front corner of head
Transmitter is at very front of right side, pointing up. it has a threaded collar nut to hold it in.
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Early Type
Switch for Temperature Gauge (thermal transmitter) Nissan 25080-89900 GAUGE-TEMP ENGINE UNIT Rockauto.com * BECK/ARNLEY 2010247 $8.16 * Airtex 1T1181 * STANDARD MOTOR PRODUCTS TS69 * ACDELCO E8041, 19107020Most 1970s Datsuns * M16 X 1.50 metric threads
25251-30100 NUT [Threads for engine unit] is required. You can re-use your old one.
25080-89902 and some aftermarket have integral threads, such as this Airtex T1181:
RockAuto.com
Interchange 1971-1973 1200 1973-1976 610 1968-1970 1600 Roadster 1975-1979 620 1968-1970 2000 Roadster 1972-1974 620Pickup 1977-1983 200SX 1974-1977 710 1987-1988 200SX 1980-1985 720 1979-1982 210 1977-1979 810 1970-1973 240Z 1981 810 1974-1975 260Z 1974-1978 B210 1975-1978 280Z 1986 D21 Pickup 1979-1983 280ZX 1976-1978 F10 1980-1982 310 1982-1983 Maxima 1968-1973 510 1983-1986 PulsarNX 1978-1981 510 1983 Sentra 1968 520 Pickup 1982-1986 Stanza 1969-1972 521 Pickup
25080-89900 GAUGE-TEMP ENGINE UNIT * 720 with Z20/Z22/Z24 engines * 910 with L24 engine * B11 with E15/E16 engine * N10 Pulsar with A14/A15/E15 engines * N12 Pulsar with E15ET engine * S110 Z20E/Z22E * S12 CA18ET/CA20E * T11 CA20S/CA20E Beck/Arnley 2010247 Water Temperature Switch $17.49 at schucks.com Standard Motor Products TS69 Engine Coolant Temperature Sender
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Late Type
25080-89912 A-series 8202- 2508089902 Subaru 25080-89902 Nissan * M16 x 1.5 threads * 17 mm hex
Most 1980s Nissan (spade connector type)
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Other Nissan Types
non-1200 thermal transmitters include:
25080-89900 two-piece, 4mm diameter bullet type
25080-89901
25080-89902 M16 large type, one piece
25080-89903 M12 small type
25080-89905 for digital meter, spade, M16 x 1.5
25080-89912 spade type
25080-62200 nut type
* Sankei KW-2N
25080-62200 nut type - Datsun B10
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Wiring
Main: Temperature Gauge#Wiring
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Troubleshooting
See also: Temperature Gauge#Troubleshooting
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Nissan Electrical
From the 1973 Datsun 1200 Factory Service Manual.
Ohms Temp 100 50C (122F)
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