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Old 07-02-2011, 12:19 PM
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ECM Location

I have an E99 F350 SD and I'm adding a BD Exhaust Brake. I need to tap into a couple of wires going into the ECM but since this is my first PSD, I have no idea where the ECM is. I asked this question in the E99 forum but still haven't gotten an answer. Thought I'd try asking it over here. Please help, I really don't know where it is.
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Old 07-02-2011, 12:46 PM
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The ecm is located inside the truck behind the e-brake pedal. But the connector sticks through the firewall. So the location to look is right down below your brake booster. There will be a connector that is about an inch by 3 or 4 inches with a 10 mm bolt head in the middle of it.
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Old 07-03-2011, 07:13 AM
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Isn't that the PCM? At least that's what I plugged the chip into.
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Old 07-03-2011, 08:33 PM
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Quote:
Originally Posted by MKeeney View Post
Isn't that the PCM? At least that's what I plugged the chip into.
Same thing.
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Old 07-09-2011, 08:40 AM
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Update:
Turns out that the guru's here were right all along. I thank you folks for your help. What was confusing to me was the instructions from BD. I'm installing an exhaust brake and torqloc and their instructions call for tapping into the ECM as well as the PCM. I'm fine with the product and I give BD the highest prop's for customer support, but there's no excuse for an instruct that references something called the 'brake applied switch' and a photograph pointing to something they call a 'cruise control switch'. It wasn't too hard to figure out both were the same, but in my experience in writing technical manuals these kinds of disparate references are a big mistake that only increases the amount of time the customer and tech support are going to have to talk. With something this complex, that could result in a very expensive repair if not done properly, I'm disappointed with instructions that are this confusing. I think this is an area that should be improved.
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Old 07-09-2011, 08:45 AM
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They are probably written in china, lol. U should read some of the instructions that come with these aftermarket gadgets.

Sent from my portable forum surfing device.
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