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Trophy Clocks & Coolant Temp Gauge on 98 Tbird
Due to a misreading Tacho, I replaced the Clocks on my 98 Thunderbird with a used Trophy set, with the added bonus of getting a coolant temperature gauge.
The high temperature warning light switch, top left of cylinder head can simply be replaced with one from an auto shop. The resistance range of most all these 'thermistor' type sensors is similar, well within the the display range of the gauge. (Both sender & 'moving iron' type gauge have complimentary non-lineararity.) But make sure you get a straight thread type, not tapered & use a washer per the stock switch. It doesn't have a degree scale, but will usefully show if things change from 'normal'. So far I've noted that the reading on mine is very steady under a wide range of riding conditions = good cooling system design from Triumph. Only when stuck at idle for while will the reading change much from about 1/3 of full scale on mine. Of course, the warning light function will no longer work as the circuit/wiring is now used for the gauge.
The connector from the Trophy clocks plugs straight in stock loom connector & all works straight off, except that the Trophy side-stand warning light will show continuously. Tbird doesn't have this function, so just remove the bulb.
Note the speedo under reads by ~ 5% due difference in wheel/tyre size (thanks, provider of gearing calulator!), tho' as most speedos over read (the manufacturer tolerance spec. is +10%) this brings it back to about spot on !
An ebay bargain !
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...0-0.......^...........^^u.....^...... Ireland, home of street motocross....
Jazz isn't dead, it just smells funny
Last edited by IrlMike : 03-22-2008 at 07:41 AM.
Reason: needed addendum
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