Heater not working? Need help

[FastOrange]

Not sure if its just the angle or not but the black wire almost looks melted to the tanish wire and the blue wire about 2?" Back looks a little funny? Possibly melted.

As for the extra pin I'm not sure

nope, its just the picture.

 

[1997chevydriver]

Hmmmm...... Have you taken a multimeter to the plug to check voltages, or continuity between ends?

 

[FastOrange]

Hmmmm...... Have you taken a multimeter to the plug to check voltages, or continuity between ends?

i cant find my multimeter, but i did some probing around with a test light, and everything is seeming okay, i cant find where the fault is.

 

[1997chevydriver]

Not sure if this will help or not......

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[FastOrange]

Not sure if this will help or not......

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thanks, not sure if it helps either haha, i have pretty much checked everything. so confused.

 

[1997chevydriver]

Again might help ya, might not......

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[1997chevydriver]

thanks, not sure if it helps either haha, i have pretty much checked everything. so confused.

To me it sounds so intermit that I think its a poor connection somewhere....... Did you check the plug on the harness by the resistor?

 

[FastOrange]

To me it sounds so intermit that I think its a poor connection somewhere....... Did you check the plug on the harness by the resistor?

i did, i have spliced in a pretty much all new harness.

in that trouble shooting you posted, it says that if the red wire lights up with a test light, at the relay, that the red wire is ed.

but that makes no sense to me cause that red wire comes directly from the fuse block under the hood.

 

[1997chevydriver]

Good catch.........I got nothin....

 

[FastOrange]

Good catch.........I got nothin....

i think im going to get a pigtail for the switch, then make a new small harness, and see if that works