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How to Make Three-Way Sequential Turn Signals

Body Shop Tips Index
By following these instructions you can install sequential lights and any vehicle that has two, three or four stoplights. In this example we will be retrofitting a Mercury Cougar that had sequential turn signals with an updated version provided by Classic Design Concepts.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 1 1.We are going to replace this wiring harness will all new wires and sockets.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 2 2. And we are going to replace this control module with the newer, smaller, version.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 3 3. You may have to do some research to find new sockets that fit your vehicle. They need to be the two-post type for double element type lightbulbs.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 4 4. Here we are taking off some of the tape to give us better access to the wires.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 5 5. This green circuit board is the complete Design Concept brain, attached to their wiring harness.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 6 6. And here is the backside.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 8 7. Once the new sockets are installed we like to use small plastic ties to keep the wires under control.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 9 8. And we use shrink insulation tubes over wire splices to both protect the connection and give a clean appearance.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 10 9. Then it is just a matter of soldering all of the wires to the new harness. There are a lot of connections but the wiring diagram in the harness kit will keep you out of trouble.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 11 10. Do not forget to put the shrink tubing on before you solder the connection!
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 12 11. And here we are heating the shrink tubing with a small torch, but a cigaret litter will work fine.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 13 12. All done so let's give it a try.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 14 13. We did not mess with the tail lail lights so they should still work fine, and thankfully they do.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 15 14. When we signal left the first inside light comes on.
How to make and install sequential turn signals in an antique, vintage, old, used or classic car or truck - step 16 16. The lights blinked too fast to catch the first and second ones on but they did work as expected and here is all three.

Jeff Lilly Restorations
11125 F.M.1560 N
San Antonio, Texas
210-695-5151 - www.jefflilly.com