+How to: Ford TPS with stock ECU

dbsupra90

toonar
Apr 1, 2005
2,374
0
0
indiucky
several people have asked how this is done. after talking to some people i had found out the ford tps uses the same voltages as our stock tps. this opens up a whole new world of bigger, inexpensive and readily available throttle bodies for our car. this would mostly apply to those who are going with a front face intake, but you could use on the stock intake if you made an adapter.

there is one small catch. you have to use a switch for the closed throttle position on the idle validation circuit. you could pick up this switch at radio shack or you could use a nitrous throttle switch. from there, you make a bracket to mount the switch so the throttle bracket will close the switch under idle.

idl_switch.jpg


my bracket was made off of the unused flange for the egr.

here is a diagram for the wiring.

tps_wiring.JPG



notes:

if you are using a stand alone management system, you do not need the IDL switch. this is only for use w/ the stock ecu.

the throttle body i used was a 86 ford mustang 75mm throttle body upgrade with a new tps. can be found from blue oval industires for $120 for the polished version.

jimi87-t also has a write up to install the stock tps to the ford throttle body if you would rather go that route
http://i-supra.com/groupee/forums/a/tpc/f/4356041111/m/4901054271

(hope you dont mind jimi)

i want to thank sean for all the fab work and helping decipher all the wiring!

any questions, dont hesitate to ask.

hope this helps!

To add to the info here, this is what I did to make the toyo TPS work with the same type TB. Pics say a 1000 words:

p374413_1.jpg


p374413_2.jpg


p374413_3.jpg


p374413_4.jpg


p374413_5.jpg


p374413_6.jpg


p374413_7.jpg
 

s turbo 87

Accepting Donations
Apr 5, 2005
184
0
0
34
Louisville, KY
Excellent write up Dave! Hopefully if I can stop blowing head gaskets and frying wiring harnesses, I'll be able to do something along those lines. lol
 

jimi87-t

Active Member
Oct 12, 2005
1,126
4
38
Colorado Springs
Great info, Not to hijack, but to add to the info here, this is what I did to make the toyo TPS work with the same type TB. Pics say a 1000 words:

p376033_1.jpg


p376033_2.jpg


p376033_3.jpg


p376033_4.jpg


p376033_5.jpg


p376033_6.jpg


p376033_7.jpg
 

Enraged

A HG job took HOW long??
Mar 30, 2005
1,843
21
38
Victoria, BC, Canada
sorry to bring this back from the depths, but is the stock idle switch normally closed or normally open? or rather, when the throttle body is closed, the circuit is connected? im trying to track down my idle issue, and I used a nitrous wide open throttle switch as my idle switch.