bluefoxamazone Posted April 1, 2018 Report Share Posted April 1, 2018 Can someone shine a light on this....? What is the fuse doing under the brass cap on the left and what is the brown box for (it is not the regulator for the dynamo so have we found out...) Thanks Quote Link to comment Share on other sites More sharing options...
garbagestate 44 Posted April 1, 2018 Report Share Posted April 1, 2018 Semi automatic trans relay maybe? If thats what it is, it is normally located on the engine sidewall.What's the fuse rating? Quote Link to comment Share on other sites More sharing options...
dpollo Posted April 1, 2018 Report Share Posted April 1, 2018 That is the Overdrive Relay. Quote Link to comment Share on other sites More sharing options...
bluefoxamazone Posted April 1, 2018 Author Report Share Posted April 1, 2018 2 hours ago, dpollo said: That is the Overdrive Relay. OK thanks, and I guess the fuse protects the circuit... Any idea about the Amps of the fuse...? How did you like the chocolates...? :-) The linkage is installed and seems to work fine. I just have to replace the cables... grtz, Quote Link to comment Share on other sites More sharing options...
dpollo Posted April 1, 2018 Report Share Posted April 1, 2018 There is no chocolate better than Belgian. Thank you. As for the relay and its fuse, I think it calls for 15 amp but in my own cars I have experienced fuse failure, usually when a lot of in and out of overdrive is done such as city traffic. Increasing it to 25 or even 30 amps seems to prevent this problem without endangering the circuit. 1 Quote Link to comment Share on other sites More sharing options...
greg g Posted April 2, 2018 Report Share Posted April 2, 2018 15 amps should be more than adequate. If they keep blowing, the that would suggest increased resistance in the circuit due to corrosion on conections and terminals, or improper grounds. Check clean and tighten all those connections and give them a coating of dielectric grease. 1 Quote Link to comment Share on other sites More sharing options...
busycoupe Posted April 2, 2018 Report Share Posted April 2, 2018 Actually, a blown fuse would indicate a drop in resistance, likely caused by a short circuit or a fused coil in a relay. An increase in resistance would cause the wire to get hot, like an incandescent bulb. 1 Quote Link to comment Share on other sites More sharing options...
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