Here is a link that I saved concerning the installment of a low coolant sensor:
http://www.brickboard.com/RWD/volvo/1144791/220/240/260/280/low_coolant_sensor_light_tutorial_super_long_post.html
Post back with questions you might have. I personally think the low coolant sensor is one of the most important upgrades you can add to a brick. All six of the Volvos I maintain for the family are equipped with one.
I too think of myself as being electrically challenged. I have learned a lot about electrons and their flow by simply reading posts and replys right here on the Brickboard. A willingness to learn goes a long way in acquiring an education.
Randy
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