Volvo Repair: electrical, dielectric grease, volvo 240

Question
1991 volvo 240 tail light assembly has printed circuit board which has a weak spot that is almost corroded thru.As a result the tail light works but that brake light either comes on very weak or not at all. How can i repair the bad spot without replacing the entire assembly?

Answer
Hello D Youn,  There is a product for repairing  rear window de-foggers,its a paint of sorts and it conduct electricity,Get some,also pick up some 'dielectric grease' and bruch on some at all the bulb-holder contact points.Thank you and good hunting!  PKD