North American Turbocoupe Organization



Checking Temperature gauge and Sensor
GlassRooster Offline
Senior Member
#1
Temp guage hangs at the bottom.

How do I test to see if
I have a wire problem
Dash Guage problem
or a sensor problem.
David

87 TC Faded Burgundy with faded red interior
K&N and cold air ducting- rest is bone stock
02 Mazda Protege 5 Replaced Dead Saturn
99 Cougar- Wife's car new body style now Discontinued.
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Jeff K Offline
Administrator
#2
Remove 1 wire connector from sensor. With key on, connect a 10 ohm resistor from connector to ground (engine block). Gauge should read at max temp line (top white line). Now put a 73 to 75 ohm resistor in. Gauge should read at the lowest white line. A 22 ohm will make the gauge read at 1/2. If these check out, gauge and wiring are OK.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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