Volvo RWD 200 Forum

I need some help........just bought a '89 240dl and it is in great shape for the yr....it had sat for 8-9mo's.....
Problem is I am having problems with the temp gage and milage counter.
I am more concerned with the temp gage, it will work....sometimes and I do mean sometimes....can I retro-fit and aftermarket one.....has that been done??
Or can I get the old one working without alot of tinkering .....i dont want to do more harm

K. Cornell

I tried to e-mail you an easier way to Solder jumpers wire to the pins (do it from the back of the cluster) but the BB e-mail got rejected.
It was just two PICs of the pins to solder on the back of the Cluster.
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'75 Jeep CJ5 345Hp ChevyPwrd, two motorcycles, '85 Pickup: The '89 Volvo is the newest vehicle I own. it wasn't Volvos safety , it was Longevity that sold me http://home.no.net/ebrox/Tony's%20cars.htm

I found on mine the plug in module which is part of the instrument cluster fails. The ic chip goes faulty. You can take the yellow wire from the circular harness that drives this module and rewire it directly to the guage by splicing a round wire end ring and loosening the bottom nut of the temp guage and connecting it there. Drove me nuts for a long time, sometimes it would work sometimes not. Only difference is the temp gauge runs a little lower reading but still shows you a proper temp reading all the time. Before the mod it would go up and down while driving, which would drive you insane.

http://www.brickboard.com/RWD/index.htm?id=1152060
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93' 240 Classic Wagon 220K & 92' 740 Wagon Regina/Rex 90K

Also, you might be able to save a few dollars on that odometer gear over on Ebay. That is where I bought mine.
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93' 240 Classic Wagon 220K & 92' 740 Wagon Regina/Rex 90K

The majority of temperature gauge problems is the compensation board. If you remove the instrument cluster, simply remove the board, and install a jumper wire in its place you will most likely have a working gauge.

Randy

A picture is worth a thousand words. My 245 came with a non-functional temp gauge, and with the board removed and the jumper installed, it now works like a charm.

thanks!
john

I think the module may perform other functions so removing it may not be a good idea. Moving the yellow wire may be a better idea. Not positive on that one.

What other functions do you think it might perform?

They are always removed from any 240 that is equipped with one that passes through my workspace. Never noticed anything except a totally functioning temperature gauge after the bypass.

Randy

Thank you rstarkie for this very insightful post....best I have seen on this board as far as help is concerned......if I can help you in any way just let me know.

K. Cornell

Search this site for "temperature compensation board bypass", follow the instructions and your temp gauge will quit freaking you out.

On the mileage counter/ odometer, does it work at all? if not, it probably has a broken gear, www.odometergears.com sells the replacement. You can effect both repairs at the same time... note that the instrument cluster must come out to fix either issue.

jorrell
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92 245 278K miles, IPD'd to the hilt, 06 XC70, 00 Eclipse custom Turbo setup...currently taking names and kicking reputations!