Been trying to resolve the problem that @the_real_camby has with his 04 with only 12,000 MI on it. The problem is ihe shuts it off and every now and then it won't start. He has moved wires around and then it would start, sometimes he just lets it sit after a while it will start. What I noticed is the fuse box cover is missing. So the question is why is it missing. At one point was the fuse box replaced if so will an 05 or an 06 fit into an 03 and 04. We have been communicating via text and phone I'm going to get him a schematic of the fuse and relay positions.He did say that he can move it from Park to neutral and it still won't start eliminating neutral safety switch.
SWT RYD
I would suggest that you place your finger on top of relay #42 while somebody is trying to crank -- be sure #42 -- you should feel it click indicating the ECM is commanding the relay on. But could still be bad relay -- be sure you are on proper relay, fuel pump relay (#35) may also click during this time.
Then check for voltage going into relay - and out of relay with voltmeter. I will try to include some pictures on how to do this later this week.
You could also try to swap #42 and #43 as I stated earlier. --- Problem may change and still not start but now will crank and not fire -- but you will have then determined relay is at fault.
Quick test of ignition switch -- check for voltage at fuse #5 (crank fuse) with key in crank position. While in crank - it should be near 12 volts!
I have included schematic of starter wiring so you can see related fuses and relays
I also include fuse box diagram
![Image]()
![Image]()
Then check for voltage going into relay - and out of relay with voltmeter. I will try to include some pictures on how to do this later this week.
You could also try to swap #42 and #43 as I stated earlier. --- Problem may change and still not start but now will crank and not fire -- but you will have then determined relay is at fault.
Quick test of ignition switch -- check for voltage at fuse #5 (crank fuse) with key in crank position. While in crank - it should be near 12 volts!
I have included schematic of starter wiring so you can see related fuses and relays
I also include fuse box diagram
Don't forget fuse #5
I have one thats painted wrong shade of red, close but no cigar.(long story from painter spring 19) Also not for SSR so label incorrect. The correct fitment is no problem from numerous years of tailblazers. If he has a pick n pull nearby might be cheaper then me shipping out my mismatched one.
Don't forget the cover under the cover. This will also swap from trailblazer.
And double check battery cable connections. After it heats up near the exhaust it might become a liitle loose to prevent the high current requied of the starter
And double check battery cable connections. After it heats up near the exhaust it might become a liitle loose to prevent the high current requied of the starter
I read this as referring to the missing fuse box cover, not the fuse box itself. Because he also refers to trailblazer that will fit. I currently have a trailblazer fuse box cover on mine because i didn't want to paint the OE cover.
All this reminds me that i still need to print a better copy of diagram
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
