Quote:
Originally Posted by hey_allen
Because the glow plug light being on is controlled in part by a circuit that compares the current draw on a few of the glow plug pins in the relay.
Certain combinations can still light the lamp, while others won't.
If I remember what I read a while back, cylinder 1 is compared to the rest, but I don't know the actual ins and outs beyond that.
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in the parallel circuit, at the relay, I think all 5/6 terminals are connected together. I don't think the relay can distinguish between 1 or the other4/5 I certainly do not have ANY working knowledge of the relay, just what I have read here on the forum for the last 8 years, and my experience with the failures me and my customers have encountered.
currently, all 5 of my plugs are heating up, and the car is starting smoothly, but the indicator light is not lighting up. it could be a bulb, it could be a fault with the relay. I'll swap a few relays in and out and see if it makes any difference. I will also pull the cluster and inspect the bulb/swap if it's bad.