Raptor Shift light wont work?
#1
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Raptor Shift light wont work?
Well I just wired up my HARLAN shift light that I bought a year or 2 ago lol
It's getting power, I set the cylinder setting to switch #2 per Harlin's instructions..."Ls1's run in 4 cylinder mode"
(I also tried 8 cylinder mode later, and didn't work)
anyways, I set the cylinder and rpm settings, and it's blinking back everything correctly.
I tried setting it for different RPM's and it will NOT light up?
I went to the Red PCM (lower panel of the 2), line #10, white wire.
I sodered everything, so the connections are good.
I don't get it, and I'm no newbie at electrical...anyway to test if I'm getting a tach signal?
Any advice before I throw it out? lol
It's getting power, I set the cylinder setting to switch #2 per Harlin's instructions..."Ls1's run in 4 cylinder mode"
(I also tried 8 cylinder mode later, and didn't work)
anyways, I set the cylinder and rpm settings, and it's blinking back everything correctly.
I tried setting it for different RPM's and it will NOT light up?
I went to the Red PCM (lower panel of the 2), line #10, white wire.
I sodered everything, so the connections are good.
I don't get it, and I'm no newbie at electrical...anyway to test if I'm getting a tach signal?
Any advice before I throw it out? lol
Last edited by MetallicaMatt; 09-14-2009 at 02:45 PM.
#2
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A buddy of mine just went through this exact problem. Turns out there was a break in the wire that he was tapping into for the tach signal. The casing was still together but the copper wire must have had a break in it. Ran a new wire and the shift light works now. Just something to check.
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well i'm about 4" from the PCM itself, the factory tack works fine...brand new spool of wire...all sodered...it's gotta be related to that.
I searched ALL over, and I can't figure out what to do. can i tap into something else? if so, i'll need some details
I searched ALL over, and I can't figure out what to do. can i tap into something else? if so, i'll need some details