The problem with a one-piece is that the side markers bolt on from the side, which would make it next to impossible to get a one-piece through all the bolt holes. Still, I wouldn't mind seeing some modernized tail lights for 87-88. Maybe with 3 3157 sockets instead of 2 1157's and a 194. With jeweled reflectors and clearer red lenses instead of red fresnel lenses. I'd try to fab something up if I could find another set of the stockers, but without a set to spare, I'm not willing to risk it.
I'll answer that. Yes. When using a projector, all the optic management is done inside the projector. The factory diffused lenses have in these cases a number of faults: They will block the volume of output even in stock form, they will take the superior clarity, focus and beam quality of the projector and scatter it, they can't shape a beam, only spread it and last but certainly not least, they're dated in appearance. Having bashed fresnel lenses so badly, I'd like to point out that there is no point in going clear if you're going to stay with your factory light source. With modern clear lensed reflector based lights, optical management is done by a shaped or "jeweled" reflector behind the bulb. If you were to put clear lenses over the factor smooth reflector and used a factory light source or, even a 9007 upgrade, your lights would still suck and people would flash you, but with projector retrofitting, the lens, or "outer lens" only serves to protect the projector from water, salt and dirt.
I should also point out that drop in "HID" kits don't work with either lens configuration, you will blind people and you will not see better, PERIOD. I know from experience (on both sides of the headlights). It's all about the reflector. HID reflectors are shaped to manage that light source, Halogen clear lens reflectors are specifically designed, and smooth reflector lights have fresnel lenses. All are mutually exclusive.
T-BirdX3 and myself have upgraded our lights the right way, He has nicer lenses.
Red/Yellow red with a yellow tracer stripe, red with a black tracer stripe. I apologize for shorthanding, I'm the primary electrical tech at a Ford dealer and sometimes I just can't help it. You should find those 2 wires on your car near the turn signal switch, but I'd work with them a little bit further away from there, like at the base of the column. That's really all you need to do to not need TRS's relay kit.
Don't use their relays, they're not needed on your car. Power the ballasts directly from the low-beam circuit of the 9004 connector, and wire the shutters to the high-beam circuit at the 9004 connector. After that, how you proceed depends on what lighting system you have. If you have standard (without auto dim and with or without autolamps) you'll want to find the wiring from the multi-function switch and short R/Y and R/Bk together. This way, when you switch to high, the HIDs will stay lit rather that open the shutter and shut off the ballasts. If you have autolamp and auto dim (you'll have a light sensor hanging in front of the mirror) like I have, you"ll do the same thing except you'll make the mod at the headlight dimming relay. The way I did it, was to remove about a half an inch of insulation from both circuits where they run side by side and use a single strand of wire to wrap around the two where they're both now bare, then fill the 'splice' with solder and cover with tape. This also works for guys who have regular headlights and just want brighter high beams. It just takes a strand of wire and a wire strippers. Easy.
How hard would it be to get you to make more of those lenses? I did mine the hard way, and I don't like how they turned out. I removed mine and used 80 grit to grind down the diffusions inside then I used 320, then 500, 800, 1500, a 2000 trizact pad, and then a buffing pad and rubbing compound. It would have turned out better had the lenses not been 24 years old and filled with little micro cracks.
I meant clear projector lenses, sourced from TRS, E55 projectors from a wrecked 2010 taurus, and shrouds, ground the diffusions out of the inside of the lenses and polished them til the were clear. I'm not real happy with the lenses because they seem to have lots of little micro crack in them you can see with the lights on. In any case the cutoff brings something of a learning curve, both with aiming and driving, but almost anything is better than 9004's inside diffused housings with tarnished chrome buckets. My light pattern is good, but I think my left one is rotated about 2 degrees from flat. And as you can see from the pics, I have many other issues with the car to address before I get back to the lights. I have a few more pics though.