Hi The main 'bulk' of the SPDT relays are Bosch Product # 0 332 209 150 (this number superceded # 0 332 204 150 as shown on a few of the 'cross reference' sheets) as shown on here:- http://www.chiefent.com/products/product_details.asp?id=4 Resistive Load - N/O: 40 A - 200,000 cycles Resistive Load - N/C: 20 A - 250,000 cycles Motor Load - N/O: 25 A (50 A In-rush) - 100,000 cycles Motor Load - N/C: n/a Lamp Load - N/O: 30 A - 100,000 cycles Suitable for the Starter relay , ac panel lights, cooling fan relay, a/c 4th speed, a/c 3rd speed, High Beam, Low Beam (7no in total) Lamp Load - N/C: 10 A - 100,000 cycles Regards Mike #2001 Yorkshire UK --- In dmcnews@xxxxxxxxxxxxxxx, "Charles Major" <charlesmajor@xxxx> wrote: > > Should they be replaced just because they are old? > Should they be 30amp or 40amp? Or does it matter? > I need to know so I can put my car back together. > Regards, > Charles > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/