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From the location of it with in the harness, it looks like it goes to the little modutator with the coolant lines under the intake. But that is on a 22re I don't even know if your 22r has one of those things.


he has a 22RE. all the pics i posted were from an 4Runner w/ a 22RE, except the very last one, which was of my engine.

87 22R PU, 2? body lift, 33? BFG muds, 4.88's, F&R Lock-Rights, Rancho Shocks, EB's Street RV Head w/ 268 Cam, LCE Header, 2" to 2 1/4" exhaust, Flowmaster 50 series, Magnaflow high flow cat, complete Herculined SR5 interior, V6 BB, MC, and calipers.