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| Engine won´t start with HEI https://slantsix.org/forum/viewtopic.php?t=30550 |
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| Author: | ^ChYmAiL^GTX [ Thu Aug 14, 2008 9:43 am ] |
| Post subject: | Engine won´t start with HEI |
Hi there! I wanted to put a HEI module in my Coronado. I have the original mopar module... but it didn´t work anymore... so.. i took the one in my GTX and it was working fine... but since I live in Argentina.. I can´t replace the original module easy... so I think changing to HEI was a good move. The car was starting inmmediatly... no matter if the engine was cold or hot. I took the 2 cables from the pick up and connected it to terminals W and G. I took coil terminal + and placed it to the terminal B I took coil terminal - and placed it to the terminal C The engine didn´t start. I placed battery + to the coil + so there is 12V everywhere... It didn´t start. I inverted the W and G terminals... and it still doesn´t start... no spark. Any idea???? Does the module have to be placed to ground??? it was in the air. Just for testing... the only thing i can think of.... PS: I have two modules.. one made in usa.. and one made in china.... all testing was done with de USA one. |
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| Author: | Reed [ Thu Aug 14, 2008 9:52 am ] |
| Post subject: | |
The back of the HEI module must be grounded. Nice looking cars by the way! |
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| Author: | Joshie225 [ Thu Aug 14, 2008 9:55 am ] |
| Post subject: | |
If you look at the bolt holes on the module you will see there is a ground strap built into one of them. The screw going through that hole grounds the module. Some folks put a ring terminal and ground wire there. The back of the module needs to be attached to a heat sink with heat sink compound or the module will overheat and possibly burn up. |
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| Author: | 68barracuda [ Thu Aug 14, 2008 10:03 am ] |
| Post subject: | |
Remember to bypass the ballast resistor |
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| Author: | ^ChYmAiL^GTX [ Thu Aug 14, 2008 2:12 pm ] |
| Post subject: | |
Yeap! Problem solved... Was a ground problem! Its working perfect.. even with the 0.6 ohm resistor! =) Thanks for the help! |
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| Author: | Joshie225 [ Thu Aug 14, 2008 2:29 pm ] |
| Post subject: | |
Bypassing the resistor will help the performance. The HEI module controls the coil current so the ballast resistor is not required. |
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| Author: | ^ChYmAiL^GTX [ Thu Aug 14, 2008 4:37 pm ] |
| Post subject: | |
Excelent!!! I hate resistors! Spark is ¨longer¨ now! Next step: Place the MSD 6AL. |
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