3 or 4 wire sensors are heated, 3 are rarely used though. Single wire need to be pretty close to the manifold to work properly.
1978 CJ5 5.0HO/T177/D300, '86 D30/D44 WT axles, 'glass body, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.