@SteveG posted:... I just happen to have another Radio Shack FW bridge rectifier and 1000MFD capacitor for the other block signal (it's a 3-over-3, so two signal circuits are needed).
You should be able to use one FW bridge rectifier and 1000MFD capacitor to power two (or more) timer modules. And as mentioned earlier you only need one diode from 14V AC hot to the trigger+ inputs of both (or more) timer modules. In other words, the DC+, DC-, and trigger+ inputs to multiple timer modules can be tied together. It's only the trigger- signal that must be independent/separate for each timer circuit.
But since you have extras of the relevant components, wiring logistics might make it easier to duplicate the external components. Whatever works!
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Separately I was reminiscing about going to the local RS. I dug up my 20 year old RS paper catalog and found your 12V DC relay, and probably the FW bridge rectifier and 1000MFD caps you used. Couldn't find a 22,000MFD capacitor (largest was 4700MFD) so presumably you got that elsewhere. But it's interesting how many if not most OGR-type projects could be fulfilled by a small retail storefront with limited selection. And a free battery too for card-carrying members! 
