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TFI Ignition module relocation questions


unoleisu

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I have an 87 BII eddie bauer 2.9L , just put in an M50D. I'm wanting to relocate my TFI Ignition module according to the tech sheets. Already found a heatsink bracket from an aerostar. About the wireing, the tech sheet said :
"A trip to Radio Shack may be an easier route. They sell wire looms that will protect from any radio frequency interference and magnetic interference."

I went to my local radio shack and they looked at me like I was an idiot ( been getting alot of those looks lately, hmmmm.....). They had no idea what I was talking about, but had some nice speaker wire.....:bawling:

Does anyone have a source to get this wire? The JY wasn't thrilled with the idea of salvaging the harness wires seperately.

Also: Where do I get "heatsink grease"?
 


rusty70f100

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I don't know about the other stuff, as I haven't done a TFI relocation before, but I do know where you can get heatsink grease. I do computer work for a living, and I use that stuff all the time on computer processors.

http://www.newegg.com/Store/SubCategory.aspx?SubCategory=85&name=Thermal-Compound-Grease

You don't need the expensive stuff. The cheap stuff should be perfect for what you're doing. If you don't want to order off the internet, just go down to your local computer shop and ask them. If they're worth anything they'll probably let you have some free or for a very low price.
 

voodoochylde

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How many wires total are required to be extended in this operation?

You can buy multi-conductor shielded cable which would be rather nice for this. To explain what this crap is...:

All it really is is several wires braided together, then wrapped in either a woven shield or foil shield, then everything is encased in one outer jacket.

I don't know any trade names for the crap but depending on how many wires you need and how long a piece you need, I may be able to snag a chunk from the shop for ya ;-)

I can also provide part numbers and URL's if that would be more your cup of tea.
 

unoleisu

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Well, it looks like only three wires. I'm not sure exactly how long yet, that depends on where the harness will allow me to mount to the fire wall, or preferably the fender. The problem is I know nothing about RFI shielding, and exactly how it is to be used. I also didn't look closely enough to the shielded wiring from the heatsink doner. I need some expert advice on this one......
 

spdcrazy

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i did this relocation, however i did not use any fancy wire or anything. no issues that i can relate to the relocation either.

it is six wires if i recall right. depending on where you relocate to depends on how long you need to lengthen wires, but if you have any pointed question about this, feel free to message me.

and the grease you speak of is dielectric grease. you can buy this at any local napa on the chemical wall. red can if i remember right. each new TFI module should come with a small packet as well
 

xr75er

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unoleisu

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There are six wires in the harness going to the TFI module in the harness, however, they don't look like they need extended in order to mount onto the fire wall. It's the 3 tabs on the TFI that plug into the distributor that require wires built up to extend from the new location to the distributor.

I read somewhere else (and then forgot to mark where) that alot of radio frequency interferance can be picked up from these new wires, and really screw up the module's signals. This is apparently why these new wires require shielding.

Any experts out there that can tell me this is or isn't REALLY needed? I just like to do things as best I can in the first place, so i don't have to go back and figure out what is wrong later, you know?
 

spdcrazy

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There are six wires in the harness going to the TFI module in the harness, however, they don't look like they need extended in order to mount onto the fire wall. It's the 3 tabs on the TFI that plug into the distributor that require wires built up to extend from the new location to the distributor.

I read somewhere else (and then forgot to mark where) that alot of radio frequency interferance can be picked up from these new wires, and really screw up the module's signals. This is apparently why these new wires require shielding.

Any experts out there that can tell me this is or isn't REALLY needed? I just like to do things as best I can in the first place, so i don't have to go back and figure out what is wrong later, you know?
if your going to relocate the tfi, i'd say to relocate it somewhere away from the firewall.
 

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